Bird Families of North America
By Pete Dunne and Kevin T. Karlson
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About this ebook
This guide takes readers beyond merely identifying birds to understanding them. Many birders can tell the difference between a White-eyed and Bell’s Vireo but cannot begin to describe a vireo and what distinguishes members of this family from warblers or flycatchers. The “species by species” approach makes it difficult to appreciate birds for what they are: members of well-organized groupings united by common traits. Putting the focus on families, and their shared characteristics, makes bird identification easier and more meaningful. More than 150 color photos illustrate the 81 bird families of the United States and Canada.
Pete Dunne
Pete Dunne is an author and founder of the World Series of Birding, former Director of Natural History Information for the New Jersey Audubon Society, and former director of the Cape May Bird Observatory. An experienced tour leader, he is well-known for his columns and contributions to publications such as American Birds and Birding. He is also the author of more than twenty books, including Birds of Prey, Gulls Simplified, The Art of Pishing, The Wind Masters, and, most recently, The Shorebirds of North America.
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Bird Families of North America - Pete Dunne
Contents
Title Page
Contents
Copyright
Dedication
Frontispiece
Note to Reader
Introduction
Anatidae: Ducks, Geese, and Swans
Cracidae: Chachalacas, Curassows, and Guans
Odontophoridae: New World Quails
Phasianidae: Partridge, Grouse, Pheasants, and Old World Quail
Phoenicopteridae: Flamingos
Podicipedidae: Grebes
Columbidae: Pigeons and Doves
Cuculidae: Cuckoos, Anis, and Roadrunner
Caprimulgidae: Nightjars and Allies
Apodidae: Swifts
Trochilidae: Hummingbirds
Rallidae: Rails, Gallinules, and Coots
Aramidae: Limpkin
Gruidae: Cranes
Recurvirostridae: Stilts and Avocets
Haematopodidae: Oystercatchers
Charadriidae: Lapwings and Plovers
Jacanidae: Northern Jacana
Scolopacidae: Sandpipers, Phalaropes, and Allies
Stercorariidae: Skuas and Jaegers
Alcidae: Auks, Murres, and Puffins
Laridae: Gulls
Sternidae: Terns
Phaethontidae: Tropicbirds
Gaviidae: Loons
Diomedeidae: Albatrosses
Hydrobatidae and Oceanitidae: Northern and Austral Storm-Petrels
Procellaridae: Shearwaters, Petrels, and Fulmars
Ciconiidae: Storks
Fregatidae: Frigatebirds
Sulidae: Boobies and Gannets
Phalacrocoracidae: Cormorants
Anhingidae: Darters
Pelecanidae: Pelicans
Ardeidae: Herons, Egrets, and Bitterns
Threskiornithidae: Ibis and Spoonbills
Cathartidae: New World Vultures
Pandionidae: Osprey
Accipitridae: Diurnal Raptors
Tytonidae: Barn Owls
Strigidae: Typical Owls
Trogonidae: Trogons and Quetzals
Alcedinidae: Kingfishers
Picidae: Woodpeckers and Allies
Falconidae: Falcons and Caracaras
Psittaculidae: Parrots
Tyrannidae: Tyrant Flycatchers
Laniidae: Shrikes
Vireonidae: Vireos
Corvidae: Crows, Magpies, and Jays
Alaudidae: Larks
Hirundinidae: Swallows
Paridae: Tits, Chickadees, and Titmice
Remizidae: Penduline Tits and Verdin
Aegithalidae: Long-tailed Tits
Sittidae: Nuthatches
Certhiidae: Treecreepers
Troglodytidae: Wrens
Polioptilidae: Gnatcatchers
Cinclidae: Dippers
Pycnonotidae: Bulbuls
Regulidae: Kinglets and Firecrests
Phylloscopidae: Leaf Warblers
Sylviidae: Old World Warblers
Muscicapidae: Old World Flycatchers
Turdidae: Thrushes
Mimidae: Mockingbirds and Thrashers
Sturnidae: Starlings and Mynas
Bombycillidae: Waxwings
Ptiliogonatidae: Silky-flycatchers
Peucedramidae: Olive Warbler
Passeridae: Old World Sparrows (House Sparrow and Tree Sparrow)
Motacillidae: Pipits and Wagtails
Fringillidae: Finches
Calcariidae: Buntings and Longspurs
Passerellidae: New World Sparrows
Icteriidae: Yellow-breasted Chat
Icteridae: New World Blackbirds, Orioles, and Meadowlarks
Parulidae: New World Warblers
Cardinalidae: Tanagers, Grosbeaks, Cardinals, Buntings, and Dickcissel
Thraupidae: Tanagers
Acknowledgments
Bibliography
Photography Credits
Index
About the Authors
Connect on Social Media
Copyright © 2021 by Pete Dunne and Kevin T. Karlson
All rights reserved
For information about permission to reproduce selections from this book, write to [email protected] or to Permissions, Houghton Mifflin Harcourt Publishing Company, 3 Park Avenue, 19th Floor, New York, New York 10016.
hmhbooks.com
Library of Congress Cataloging-in-Publication Data
Names: Dunne, Pete, 1951- author. | Karlson, Kevin, author.
Title: Bird families of North America / Pete Dunne and Kevin T. Karlson. Description: Boston : Houghton Mifflin Harcourt, 2021. | Includes bibliographical references and index.
Identifiers: LCCN 2020051084 (print) | LCCN 2020051085 (ebook) | ISBN 9780358164074 (hardcover) | ISBN 9780358164043 (ebook) Subjects: LCSH: Birds—North America—Identification. Classification: LCC QL681 .D878 2021 (print) | LCC QL681 (ebook) | DDC 598.097—dc23
LC record available at https://lccn.loc.gov/2020051084
LC ebook record available at https://lccn.loc.gov/2020051085
ISBN 978-0-358-16407-4
eISBN 978-0-358-16404-3
v1.0721
Cover design by Martha Kennedy
Cover photographs © Kevin T. Carlson
This book is dedicated to our dear friend Pete Bacinski (1949–2019), who devoted much of his life to the study and appreciation of birds and nature, and who shared his knowledge and passion with countless others.
Note to Reader
This book intends to impart to readers a fundamental understanding of the 81 bird families in the United States and Canada as defined by the American Ornithological Society. The families are arranged in accordance with the seventh edition of the AOS Checklist, current to the 59th supplement. Two exceptions to the checklist are as follows: gulls and terns are listed as separate families and the northern and southern storm-petrels as a single unit. While the birds of Mexico are considered part of North America by a number of world ornithological groups, including the AOS, if we refer to North America as a bird occurrence location in the text, it includes only the United States and Canada.
This book is a tribute to the birds that have enriched our lives since childhood, and to all who pursue them for fun and enjoyment.
To the best of our abilities, as of 12:01a.m., March 31, 2020, the families shown here are correct (with exceptions noted). However, science is relentless in its pursuit of order and deeper understanding, so it is likely that additional changes will have been made to the taxonomic order between the time this manuscript was submitted and its publication date.
We recommend you consult the latest supplements to the AOS Checklist of North American Birds to be sure.
Introduction
Well, we don’t know her, or her family,
intoned Laura Lee in the saccharin-sweet syllables that betrayed her southern society roots. The her
was a birder newly arrived in East Texas.
Southerners put great stock in family, recognizing that even without firsthand familiarity with an individual, much can be surmised about a person’s character by regarding their heritage and family ties. The same goes for bird families. While it’s not correct to say If you’ve seen one vireo, you’ve seen them all,
it is accurate to assert that if you are familiar with one of these small, hook-billed, foliage-gleaning members of this strictly New World family, you can ascribe similar properties to other members of the group.
It is also fair to assert that an understanding of bird families is fundamental to any appreciation of birds, because it is what unites and distinguishes them. Determinations made at the species level are always subject to reevaluation and change. A good example is Baltimore Oriole, once considered a distinct species, then lumped with the western Bullock’s Oriole to create Northern Oriole, only to be re-split decades later, assuming full species status once again, a distinction both Baltimore and Bullock’s Oriole enjoy today.
Bird family groups have traditionally been more systematically stable, shifting at times in the taxonomic ranking but generally secure in their unifying complement of traits and species array. Some bird families trace their formulation all the way back to Carl Linnaeus, a Swedish botanist whose search for order among living organisms was the foundation of the science of taxonomy. He organized and classified living things according to their shared and differentiating traits. Later, Alexander Wilson and John James Audubon relied upon their understanding of bird families when engaged in their pioneering efforts to understand North America’s birds.
Sadly, the current emphasis on plumage-based field marks, coupled with our societal urge to cut to the chase and simply pin the name to the bird, has prompted many new birders to regard the identification of individual species as the end-all and be-all of bird study—an end in itself rather than a means to greater understanding. Such a species-by-species approach makes it difficult to appreciate birds for what they are: members of well-organized groupings united by common traits—a determination that is, as Audubon and Wilson understood, fundamental to bird study. There are birders out there who can tell the difference between a White-eyed and a Bell’s Vireo, but cannot begin to describe a vireo and what distinguishes members of this family from warblers or flycatchers. This book strives to put the horse in front of the cart and regard North America’s birds from the standpoint of families—a focus that will enhance an understanding of birds and make the differentiation of species more meaningful. It is, in essence, a guide to understanding North American birds instead of merely identifying them. A secondary objective is to clarify recent changes made in taxonomy at the family level. The current emphasis of using DNA as the foundation of family groupings has led to a reshuffling of some families formerly united on the basis of structure and behavior. While not all families have been affected, many among the passerines, or perching birds, have been reconstituted. These changes are reflected here.
Flickers are large, vocal woodpeckers whose chisel-like bills excavate nesting cavities that are used by a number of bird species in subsequent seasons. This Yellow-shafted Flicker male is with the chicks.
Anatidae: Ducks, Geese, and Swans
Arguably, this is the most recognized bird group on the planet, an assertion underscored by the well-known aphorism "If it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck." Distributed widely across the planet, waterfowl are found almost anywhere there is open water. Pete once flushed an incubating Northern Pintail from her nest next to a cattle-watering tank in the arid Pawnee Grasslands of Colorado.
Waterfowl are medium to large mostly aquatic birds. While their fully webbed feet are admirably suited for swimming, no bird group is so accomplished on land, air, and open water. Some ducks are nimble enough to perch on branches, even corn stalks, and some rank among the planet’s swiftest of fliers, though several waterfowl species are flightless. All navigate well on the surface of water, and many are accomplished divers. For example, Spectacled Eider can dive over 200 feet to the bottom of the Bering Sea to forage on mollusks.
Most waterfowl have longish to very long necks; flattened, blunt-tipped bills; and webbed feet with an elevated hind toe. Many (mostly males) are colorfully arrayed with a supremely waterproof outer layer of feathers that cover an inner lining of dense, insulating down.
In the Northern Hemisphere, the male pairs with a female on the wintering grounds and in spring follows her to the breeding grounds. Most pairs have large egg clutches, and egg dumping by a female into another’s nest sometimes occurs.
Dramatic declines in waterfowl populations at the beginning of the twentieth century gave rise to the conservation movement, which was responsible for the formation of our National Wildlife Refuge System (NWRS). Funded primarily by hunters, the NWRS also serves a multitude of other avocational interests, including birdwatching and photography. These and other conservation movements were, and continue to be, responsible for the slowing and reversal of waterfowl declines.
BLACK-BELLIED WHISTLING-DUCK
Dendrocygna autumnalis
Orange billed and almost garish looking, Black-bellied is a resident of tropical and subtropical regions in the New World. Nimble footed, this bird of coastal lagoons and shallow ponds with adjacent trees forages mostly on seeds and grain in shallow water and agricultural land. Black-bellied Whistling-Duck shows a pervasive pattern of vagrancy north of its range. The bird’s orange bill on a gray face renders it unmistakable.
In the United States, it occurs as a breeder or permanent resident in far southern states, especially Texas, Arizona, Louisiana, and Florida. It occurs locally as a resident from Mexico south through Central America to Argentina.
FULVOUS WHISTLING-DUCK
Dendrocygna bicolor
This gangly duck of well-vegetated marshes, lagoons, and wet (often cultivated) fields has a cosmopolitan distribution, but in the United States it is a sometimes nomadic resident of the southern U.S. from coastal Texas to Florida and south to the West Indies. Feeding day and night on seeds and fruits, it forages mostly in tall grasses, with a dedicated partiality for rice fields. Whistling-ducks explode into flight from a resting position when alarmed.
EMPEROR GOOSE
Anser canagicus
Short necked and petite billed, this goose spends most of its life within the tidal zone, a feathered Prince of Tides. It breeds in coastal lagoons in western Alaska and Siberia and winters coastally along reefs and rocky beaches from the Aleutians to northern California. These white-headed, gray-cloaked birds are essentially vegetarians, feeding on leaves and berries in summer and seaweeds and algae in winter. In flight, note the white tail, dark underwings, and contrasting dark rump.
Geese are large waterfowl that are celebrated for their flocking tendencies and (mostly) wedge-shaped flock configurations in flight. Clockwise from upper left: Snow (left) and Ross’s Geese, dark-plumaged Lesser Snow Geese, Cackling (left) and Canada Geese, Lesser Snow (left) and Ross’s Geese in flight, Eastern Brant, Greater White-fronted Goose.
SNOW GOOSE
Anser caerulescens
Immortalized by Paul Gallico’s novel about love, war, and a disfigured painter’s search for purpose, this common to abundant goose occurs in both light and dark plumage. Mostly a New World species, it breeds across Arctic Canada and Alaska south to Hudson Bay and winters widely across North America. The majority of birds are white with black wingtips. Dark morphs have dusky bodies with white heads. Highly gregarious, Snow Geese typically feed in flocks numbering from hundreds to many thousands. Consuming roots, leaves, grasses, and grain, they may cause damage to soil and root systems in places where large numbers of birds forage, creating eat-outs,
or areas bereft of vegetated cover.
ROSS’S GOOSE
Anser rossii
This small wedge-billed goose is typically found feeding among winter flocks of Snow Geese, which it closely resembles. Breeding in Arctic Canada from northern Nunavut Province south to the western side of Hudson Bay, Ross’s Geese winter primarily in central California, New Mexico, and the Texas coast, where birds forage on plants, sedges, and grains, especially barley and rice. The rare dark morph has less white on the head than dark morph Snow Goose, and has a white belly. According to the organization Ducks Unlimited, Ross’s population numbers have increased dramatically, from about 250,000 birds in 1990 to well over 2 million today. Hybrids with Snow Geese are occasionally found thanks to recent overlaps in breeding territories.
GREATER WHITE-FRONTED GOOSE
Anser albifrons
Common and tawny brown, this goose is a favorite of hunters, who fondly call them specklebellies,
although birds in their first year lack markings on the belly. They breed globally across much of the Arctic, and winter from southern British Columbia south to the Mexican Plateau, with concentrations in the Sacramento Valley, the Salton Sea, coastal Texas, and Louisiana. They are rare along the Atlantic Coast, where vagrant birds are usually from the Greenland race. The birds’ bright orange legs make them conspicuous when they mix freely with other geese.
BRANT
Branta bernicla
Small and dark bibbed, this marine goose breeds in estuarine habitats across Arctic regions of the Northern Hemisphere, including Alaska, Canada, and Greenland. It winters coastally, usually in single-species flocks, along tidal estuaries and bays from Washington State to Baja, and from New England to the Carolinas, where it forages mostly on sea lettuce and eelgrass. On the breeding grounds, it consumes grasses, moss, and lichen as well as aquatic plants. Flying flocks are usually disorganized, seemingly incapable of holding a V-configuration. Their call sounds like a cross between a honk and a purr. Two subspecies occur: Black Brant on the West Coast and Eastern Brant on the Atlantic Coast. Black Brant has a dark belly, while Eastern Brant has a whitish one.
CACKLING GOOSE
Branta hutchinsii
This miniature Arctic-breeding Canada-type goose may in fact be four separate species, or simply a small race of Canada Goose. Distinguished from Canada Goose by its smaller size, shorter neck, petite wedge-shaped bill, and dark breast (most subspecies), this mostly western goose winters from Washington to central California, the southern prairies and Texas coast, and from New England to the mid-Atlantic region. Uncommon elsewhere, these toy
Canadas mix with Canada flocks, where their smaller size easily distinguishes them.
CANADA GOOSE
Branta canadensis
Common and widespread, this iconic goose is found everywhere in North America at some time of the year, except southern Florida. While it’s the emblematic bird of the U.S. Fish and Wildlife Service, this species is regarded as a pest in some places thanks to large numbers occurring year-round in temperate areas. This is because of the availability of open water at places such as golf courses and corporate centers. In the first half of the twentieth century, they were uncommon to rare along the East Coast, now a wintering stronghold. Mostly vegetarian, Canada Geese are found wherever water, short grass, and/or agricultural land combine.
MUTE SWAN
Cygnus olor
Perhaps no bird found in North America enjoys such divided regard. On one side of the argument are game management engineers and biologists who consider this Old World transplant an insatiable interloper that competes with native waterfowl for food and crucial aquatic nesting habitat. On the other side of the divide are a near-militant assemblage of swan lovers who are won over by the species’ beauty and the appeal that prompted wealthy landowners to import the birds into their Victorian garden arrangements. Now feral, these descendants of those imports have colonized portions of the mid-Atlantic, southern New England, southern Ontario, and the Great Lakes, far from their ancestral home in central and northern Europe. Immortalized in Hans Christian Anderson’s The Ugly Duckling,
these now permanent residents of shallow, richly vegetated, freshwater lakes and wetlands perform a valuable function in winter by keeping northern waters partially free of ice so that smaller waterfowl can forage on the freshwater plants overlooked by this voracious feeder with a boardinghouse reach. Highly territorial, the birds aggressively drive rival waterfowl out of their breeding territories, but outside the breeding season may gather in loose flocks of 50 or more birds in fresh, salt, and brackish water.
TRUMPETER SWAN
Cygnus buccinator
Once common and widespread across much of North America, our largest native swan was nearly hunted to extinction. By 1918, when the international Migratory Bird Treaty Act outlawed the hunting of all swans, the survival of these magnificent birds was in doubt. In 1933, only 66 Trumpeter Swans occurred south of Canada. Protection and decades of concerted reintroduction have gradually increased their numbers, and now hardly a sizable forested freshwater lake or marshy pond in Alaska and western Canada can be found that does not host a pair.
Swans are exceptionally large, long-necked birds whose boardinghouse reach allows them to access aquatic plants beyond the capacity of lesser fowl. The orange-billed Mute Swan (left) was introduced to the New World, while Tundra Swan (center) and Trumpeter Swan (right) are native species.
This species was named by English naturalist John Lawson (1674–1711) for the trompeting
sounds they made in the wintering flocks found in tidewater South Carolina. Continued reintroduction in the West and the Great Lakes region has resulted in these totems of America’s wilderness turning up in various parts of the eastern United States from New Jersey to, perhaps once again, South Carolina.
TUNDRA SWAN
Cygnus columbianus
As the name suggests, this northernmost North American swan breeds on open tundra ponds, often near coasts, from Alaska to Baffin Island and the shores of Hudson Bay. With a shorter, straighter, and more slender neck than Trumpeter Swan and the curvaceously necked Mute Swan, these smallest of North American swans (14–19 pounds compared to Trumpeter’s 21–32 pounds) spend the winter in family groups or large flocks mainly from New Jersey to South Carolina, and from British Columbia to California. They forage on agricultural lands by day and retreat to open water by night. Tundra Swans also winter in the intermountain West from British Columbia south to Nevada.
MUSCOVY DUCK
Cairina moschata
This large (6–8 pounds) duck of tropical and subtropical portions of the Americas is mostly blackish with a greenish gloss. It is distinguished by its large size, long tail, knobbed or crested head, warty face, and clawed feet on short, sturdy legs. These sturdy legs and claws facilitate perching in trees, in whose large cavities females deposit their eggs. Found naturally in tree-lined rivers from the Rio Grande south to South America, this somewhat sinister-looking duck was domesticated in pre-Columbian times and taken to Europe, where it became a popular domestic fowl because of its size and meaty breast.
Returned to the New World by colonists, a portion of these captive birds escaped and became part of what is now a widespread feral population, whose white or piebald progenies are fixtures on farm ponds, urban lakes, and irrigation ditches across much of the United States, especially Florida. Only in the Rio Grande Valley of Texas do wild Muscovy Ducks exist north of Mexico.
WOOD DUCK
Aix sponsa
As beautiful as Muscovy is not, this small, compact bird of freshwater swamps, rivers, and sheltered ponds is built somewhat like a Spanish galleon, with a cropped stern, raised tail, and ornate bow (head). The male, with his crested head and multicolored face pattern, seems dressed for Mardi Gras. The female is stylishly gray but also has a distinctive, goggled face. She is perhaps best known for her high, goosebump-raising squeal call, OoEEK, often uttered as birds flush. Nesting in tree cavities and specially constructed boxes throughout North America, Wood Ducks breed across all of southern Canada and much of the United States but reach their highest breeding and wintering densities in the southeastern U.S. In winter, some birds retreat into northern Mexico. Despite having broods of up to 15 chicks, the birds were once feared heading for extinction owing to excessive hunting and habitat loss. Responding well to concerted management, these forest beauties represent one of the enduring successes of the conservation movement.
BLUE-WINGED TEAL
Spatula discors
Small and widespread, this somewhat spatula-billed dabbling duck is found in shallow freshwater ponds and mudflats, often in small flocks. The white crescent on the face of males confers instant recognition. These early fall migrants leave their extensive North American breeding range as early as August en route to wintering grounds in the southern United States, the West Indies, Mexico, and Central America.
Dabbling ducks (a.k.a. puddle ducks
) are surface feeders that forage on vegetation below the waterline. In most species, males (drakes) are strikingly plumaged, while females (hens) wear more conservative garb. Clockwise from upper left: drake Wood Duck, drake Northern Shoveler, drake Northern Pintail, Black-bellied Whistling-Duck, hen Mottled Duck, drake Green-winged Teal.
CINNAMON TEAL
Spatula cyanoptera
This colorful western dabbler closely resembles Blue-winged Teal in habits and habitat but is restricted as a breeder to the western United States and Canada, particularly the marshes of the intermountain West, where it nests near Blue-winged Teal, and where hybridization infrequently occurs. Wintering from northern California east to the Florida panhandle, and south through Central America to northern Ecuador, this species is also a resident in South America.
NORTHERN SHOVELER
Spatula clypeata
Widespread and somewhat iconic, these dabbling ducks occur in Europe, Asia, and North America. Easily identified by their outsized, spatula-shaped, food-straining bill, Shovelers frequent shallow, freshwater environments. They usually group in tight single-species flocks and feed with necks stretched forward and bills submerged in a quest for small marine invertebrates and aquatic plants. Shovelers breed across much of Canada and the western United States and winter mostly south of the breeding range across the southern U.S. south to the West Indies, Mexico, Central America, and Colombia.
Five species of dabbling ducks, including one female Blue-winged Teal, whose cryptic plumage differs from the more boldly colored males. Clockwise from upper left, all males unless noted: Cinnamon Teal; American Wigeon; Blue-winged Teal; Blue-winged Teal female; Gadwall; Mallard.
GADWALL
Mareca strepera
This dapper New and Old World duck of freshwater marshes, flooded fields, and shallow ponds breeds widely across Canada and the northern United States, north to Alaska. The male with his tastefully gray attire has a wink of white on the folded wing, reminiscent of a handkerchief in a gentleman’s dinner jacket. The female resembles a female Mallard except for the squarish head, more petite bill, and white speculum in the wing.
Gadwall winters in mixed or monotypic flocks coast to coast across the United States, and south to Baja, the Yucatán, Cuba, and Jamaica. This species has proliferated under management practices championed by the National Wildlife Refuge System; its vegetation-rimmed shallow impoundments are ideal for this freshwater dabbler whose diet is primarily freshwater plants.
AMERICAN WIGEON
Mareca americana
Compact and round headed, this altogether amiable dabbling duck with rufous flanks and gray head is a common and widespread northern breeder from Alaska to the Maritimes, south to the Prairie Pothole regions and marshes of the intermountain West. Known for its comical, two-note whistled call, it winters in small freshwater marshes and ponds with vegetated edges across the southern United States into Central America and the West Indies. In mixed-species flocks in winter, it often outnumbers all other species. Birds feed by grazing on grasses and dabbling for aquatic vegetation.
EURASIAN WIGEON
Mareca penelope
A striking Eurasian breeder of tundra and taiga regions, Eurasian Wigeon ranges from Iceland to Siberia and winters sparingly from the mid-Atlantic Coast to Florida in North America, but more commonly in Pacific Coastal areas from British Columbia to southern California. It is rare elsewhere. Eurasian typically mixes with similarly sized and shaped American Wigeon, from which they may be distinguished by the male Eurasian’s rusty head and descending single squeal note.
MALLARD
Anas platyrhynchos
This quintessential duck is widespread across both the New and Old Worlds. The emblematic bird of Ducks Unlimited, the male’s day-glow green head and curlicue tail render it instantly recognizable. In many locations, it is the most commonly seen duck and is frequently seen grazing on short-cut grass. Highly promiscuous, males mate with a number of other waterfowl species, giving rise to offspring with an array of hybrid traits.
AMERICAN BLACK DUCK
Anas rubripes
This sooty-bodied duck of eastern North America resembles a dark, olive-billed female Mallard. The hardiest of dabbling ducks, Black Ducks winter farther north than any other dabbler and breed in a variety of aquatic habitats, including tidal marsh. They occur generally east of the prairies in the United States and Canada. Vacating much of their northern breeding range by autumn, Black Ducks winter widely across the eastern United States and Canada, feeding in fresh, brackish, or tidal waters. In addition to aquatic plants, they consume many invertebrate species, including mollusks. Where ranges overlap, Black Ducks often hybridize with Mallards.
MOTTLED DUCK
Anas fulvigula
Mottled Duck is a local southern species that resembles Black Duck, but differs with a buff wash to the head and neck and with buff fringes to the upperparts. It occurs in mostly freshwater habitats along the Gulf Coast and southeastern Atlantic states, and all of Florida. Mottled somewhat resembles a female Mallard or American Black Duck but with a bright yellow bill in males. It hybridizes regularly with Mallard but very infrequently with Black Duck, since their normal breeding ranges don’t overlap.
NORTHERN PINTAIL
Anas acuta
Dapper and slender necked, this dabbler of the Old and New Worlds brandishes a rakishly plumed tail (males), but the buffy brown female shares only the species’ slender, gooselike lines and pointy tail. A common breeder across northern North America, it winters across the southern United States south to northern South America. Pintails often occur in large single-species flocks in shallow freshwater marshes and ponds. When numerically subordinate in large mixed flocks, this widespread duck mixes with other puddle ducks, most notably Mallard and Gadwall.
GREEN-WINGED TEAL
Anas crecca
Common and widespread, this duck of fresh and tidal marshes breeds in northern and central North America. The closely related Eurasian Green-winged Teal occurs throughout Asia and northern and central Europe. It generally winters south of northern breeding areas, where it gathers in large, mostly singlespecies flocks in shallow marshes and mudflats. The winter range encompasses most of the United States and southern Canada south to the West Indies, Mexico, and northern Central America. The piping call notes of large wintering flocks may approach the level of a din. A metallic green speculum on the wing is obvious in flight, which is rapid and wheeling.
CANVASBACK
Aythya valisineria
Among Chesapeake Bay waterfowlers, the Can
holds a place of pride over all other waterfowl and is celebrated for the succulence of its wild celery-fed flesh. Able to attain speeds in excess of 50 miles per hour, this greyhound among ducks uses its wedge-shaped head and scimitar-like wings to cleave a path through November gales that ground lesser fowl.
Large and chestnut headed, this North American diving duck breeds in the Prairie Pothole region of Canada and northern plains states. It winters in large, tightly packed flocks in deep freshwater lakes, rivers, bays, and estuaries across the southern and coastal United States south to southern Mexico. The tightly packed flocks of pale-backed birds resemble a large sheet of sailcloth spread on the water. This species experienced a marked population decline in the latter half of the twentieth century, which caused it to be removed from the ranks of game birds. In Audubon’s time, the duck was so numerous that even a fair shot was expected to kill 50 to 100 birds in a day. This could be one of the reasons for its greatly reduced numbers today.
REDHEAD
Aythya americana
Redhead is darker backed than Canvasback, with which it commonly associates in the Prairie Pothole marshes where the two chestnut-headed divers breed, and in the deeper fresh- and saltwater bays, lakes, and estuaries where they winter. It is known for its large broods and practice of dumping eggs in the nests of surrogate females; broods in excess of 20 eggs have been recorded (but 10 to 15 is typical). Despite the bird’s high productivity, Redhead numbers fell during the twentieth century, and for many years it was not hunted, despite large wintering populations in the Gulf of Mexico. The winter range extends from the Great Lakes to Guatemala.
RING-NECKED DUCK
Aythya collaris
It was a cold, snowy day in March, and Pete, a boy of seven or eight, crouched in the lee side of a sheltering cove in Whippany, New Jersey, hoping for magic that soon appeared in the form of five fast-flying ducks, whose unfamiliar shapes disappeared behind a veil of snow. Breathlessly, he listened to the sound of the flock hitting the water and was soon transfixed by the sight of five shadowy bodies As he peered at them through his 6-power binoculars, the birds’ boldly patterned bills assured him these were ducks he’d never seen before. But it was only when the birds approached to within 10 feet that he saw the narrow copper-colored ring on the neck of the males, the first and only time he has seen this hardy diver’s namesake trait.
Wintering as far north as these freshwater obligates can find open water, these birds of forest bogs breed across much of Canada and the northern states. They winter across the southern United States, the Greater Antilles, and Mexico to Central America, and are often the first of northbound migrants to appear on frozen inland lakes in the spring. Rarely found in salt water, these peak-headed ducks consume large numbers of freshwater invertebrates and are particularly fond of dragonfly larvae. Winter flocks may number over 500 birds where food is plentiful.
GREATER SCAUP
Aythya marila
Known to the market gunners of coastal New Jersey as the Bluebill,
this hardy widespread taiga and tundra pond breeder relocates in winter to large inland lakes, coastal bays, and estuaries along both coasts. Today the bird’s hand-carved effigies garner top dollar in antique stores and hark to those days when men like Captain Jesse Birdsall of Barnegat, New Jersey, trained the barrels of his famed double-barreled eights upon the tight-packed rafts of wintering birds. What they lacked in epicurean esteem, these mostly mollusk-eating divers made up for in numbers. Breeding across northern Europe, Asia, and North America, the birds gather during winter in flocks that may number in the thousands, making them irresistible targets.
LESSER SCAUP
Aythya affinis
While closely resembling Greater Scaup, this slightly smaller species with a smaller bill, peaked rear crown, and thinner neck is restricted to North America, breeding from Alaska to Hudson Bay, but is widespread in winter across most of the United States, southern Canada, Mexico, and the West Indies. While found in bays and estuaries, it greatly favors bodies of fresh water, except in northern coastal locations. Thus, it is the most likely scaup species in interior locations in winter.
More varied in its diet than Greater Scaup, Lesser Scaup forages on seeds, roots, and other vegetative matter along with aquatic invertebrates.