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Checklist Bird is a Compound Value Type. A Checklist Bird is a describes the abundance by season of a species of bird at a particular location.
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| x Species | x In Checklist | x Spring Abundance | x Summer Abundance | x Fall Abundance | x Winter Abundance | |||
|---|---|---|---|---|---|---|---|---|
| x name | x image | x article | ||||||
| Red-throated Diver |
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The Red-throated Loon or Red-throated Diver (Gavia stellata), is a migratory aquatic bird found in the northern hemisphere; it breeds primarily in Arctic regions, and winters in northern coastal waters. It is the most widely distributed member of...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Occasional | Rare | Uncommon | Uncommon | |
| Black-throated Diver |
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The Black-throated Loon (Gavia arctica), is a medium-sized member of the loon or diver family. The species is known as a Arctic Loon in North America and the Black-throated Diver in Eurasia, its current name is a compromise proposed by the...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Uncommon | Uncommon | ||
| Common Loon |
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The Great Northern Loon, Great Northern Diver, or Common Loon (Gavia immer), is a large member of the loon, or diver, family of birds. The species is known as a Common Loon in North America and the Great Northern Diver in Eurasia, its current name...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Rare | Uncommon | Common | |
| Pied-billed Grebe |
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The Pied-billed Grebe (Podilymbus podiceps) is a species of the grebe family of water birds. Since the Atitlán Grebe, Podilymbus gigas, has become extinct, it is the sole extant member of the genus Podilymbus.
The Pied-billed Grebe is small, stocky,...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Common | Common | Common | |
| Horned Grebe |
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The Horned Grebe or Slavonian Grebe, Podiceps auritus, is a member of the grebe family of water birds.
It is a small grebe at 31–38 cm (12–15 in) long with a 46–55 cm wingspan. Unmistakable in summer, the male's plumage includes a black head with...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Rare | Uncommon | Common | |
| Red-necked Grebe |
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The Red-necked Grebe, Podiceps grisegena, is a migratory aquatic bird that is found in the temperate regions of the northern hemisphere. Its wintering habitat is largely restricted to calm waters just beyond the waves around ocean coasts, although...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Rare | Occasional | ||
| Eared Grebe |
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The Black-necked Grebe, Podiceps nigricollis, known in North America as the Eared Grebe, is a member of the grebe family of water birds. It occurs on every continent except Australia and Antarctica.
There are three subspecies:
The two common names...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Abundant | Uncommon | Common | Abundant | |
| Western Grebe |
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The Western Grebe, (Aechmophorus occidentalis), is a species in the grebe family of water birds. Folk names include "dabchick", "swan grebe" and "swan-necked grebe".
This is the largest North American grebe 56-74 cm (22"-29") long. It is black-and...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Uncommon | Common | Common | |
| American White Pelican |
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The American White Pelican or Rough-billed Pelican (Pelecanus erythrorhynchos) is a large aquatic bird from the order Pelecaniformes. It breeds in interior North America, moving south and to the coasts, up to Central America, in winter.
The...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Occasional | Common | Common | Common | |
| Brown Pelican |
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The Brown Pelican (Pelecanus occidentalis) is the smallest of the eight species of pelican, although it is a large bird in nearly every other regard. It is 106-137 cm (42-54 in) in length, weighs from 2.75 to 5.5 kg (6-12 lb) and has a wingspan from...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Uncommon | Uncommon | Occasional | |
| Double-crested Cormorant |
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The Double-crested Cormorant (Phalacrocorax auritus) is a member of the cormorant family of seabirds. It occurs along inland waterways as well as in coastal areas, and is widely distributed across North America, from the Aleutian Islands in Alaska...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Common | Abundant | Abundant | |
| Brandt's Cormorant |
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The Brandt's Cormorant (Phalacrocorax penicillatus) is a strictly marine bird of the cormorant family of seabirds that inhabits the Pacific coast of North America. It ranges, in the summer, from Alaska to the Gulf of California, but the population...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Occasional | Rare | Rare | |
| Pelagic Cormorant |
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The Pelagic Cormorant (Phalacrocorax pelagicus), also known as Baird's Cormorant, is a small member of the cormorant family Phalacrocoracidae. Analogous to other smallish cormorants, it is also called Pelagic Shag occasionally. This seabird lives...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Uncommon | Uncommon | Rare | |
| American Bittern |
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The American Bittern (Botaurus lentiginosus) is a wading bird of the heron family Ardeidae.
It is a large, chunky, brown bird, very similar to the Eurasian Great Bittern, Botaurus stellaris. It is 59–70 cm (23-27 inches) in length, with a 95–115 cm ...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Occasional | Uncommon | Uncommon | |
| Least Bittern |
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The Least Bittern (Ixobrychus exilis) is a small wading bird, the smallest heron found in the Americas.
This bird's underparts and throat are white with light brown streaks. Their face and the sides of the neck are light brown; they have yellow eyes...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Occasional | Rare | |||
| Great Blue Heron |
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The Great Blue Heron (Ardea herodias) is a large wading bird in the heron family Ardeidae, common near the shores of open water and in wetlands over most of North and Central America as well as the West Indies and the Galápagos Islands. It is a rare...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Common | Common | Common | |
| Great Egret |
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The Great Egret (Ardea alba), also known as the Great White Egret or Common Egret or (now not in use) Great White Heron, and called kōtuku in New Zealand, is a large egret. Distributed across most of the tropical and warmer temperate regions of the...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Common | Common | Common | |
| Snowy Egret |
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The Snowy Egret (Egretta thula) is a small white heron. It is the American counterpart to the very similar Old World Little Egret, which has established a foothold in the Bahamas.
Adults are typically 61 centimetres (24 in) long and weigh 375 grams ...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Abundant | Abundant | Abundant | Abundant | |
| Little Blue Heron |
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The Little Blue Heron, Egretta caerulea, is a small heron. It breeds from the Gulf states of the USA through Central America and the Caribbean south to Peru and Uruguay. It is a resident breeder in most of its range, but some northern breeders...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Occasional | Occasional | Occasional | Rare | |
| Cattle Egret |
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The Cattle Egret (Bubulcus ibis) is a cosmopolitan species of heron (family Ardeidae) found in the tropics, subtropics and warm temperate zones. It is the only member of the monotypic genus Bubulcus, although some authorities regard its two...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Occasional | Occasional | Occasional | Occasional | |
| Green Heron |
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The Green Heron (Butorides virescens) is a small heron of North and Central America. It was long considered conspecific with its sister species the Striated Heron (Butorides striata), and together they were called "Green-backed Heron". Birds of the...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Occasional | Occasional | Rare | |
| Black-crowned Night Heron |
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The Black-crowned Night Heron (Nycticorax nycticorax) commonly abbreviated to just Night Heron in Eurasia, is a medium-sized heron found throughout a large part of the world, except in the coldest regions and Australasia (where replaced by the...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Common | Common | Common | |
| White-faced Ibis |
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The White-faced Ibis (Plegadis chihi) is a wading bird in the ibis family Threskiornithidae.
This species breeds colonially in marshes, usually nesting in bushes or low trees. Its breeding range extends from the western USA south through Mexico, as...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Occasional | |||
| Tundra Swan |
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The Tundra Swan (Cygnus columbianus) is a small Holarctic swan. The two taxa within it are usually regarded as conspecific, but are also sometimes split into two species, Cygnus bewickii (Bewick's Swan) of the Palaearctic and the Whistling Swan, C....
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Rare | Rare | ||
| White-fronted Goose |
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The Greater White-fronted Goose (Anser albifrons) is a goose species closely related to the smaller Lesser White-fronted Goose (A. erythropus). In Europe it has been known as simply "White-fronted Goose"; in North America it is known as the Greater...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Occasional | Occasional | |||
| Snow Goose |
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The Snow Goose (Chen caerulescens), also known as the Blue Goose, is a North American species of goose. Its name derives from the typically white plumage. The genus of this bird is disputed. The American Ornithologists' Union and BirdLife...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Occasional | |||
| Ross's Goose |
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The Ross's Goose (Chen rossii or Anser rossii) is a North American species of goose.
The American Ornithologists' Union places this species and the other two "white" geese in the genus Chen rather than the more traditional "grey" goose genus Anser....
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | ||||
| Brant |
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The Brant Goose (Branta bernicla), a goose of the genus Branta, is known in North America as Brant, Brent Goose or Black Brant. The spelling "Brant" is the original one, with "Brent" being a later folk-etymological idea that it was derived from a...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Rare | Rare | Rare | |
| Canada Goose |
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The Canada Goose (Branta canadensis) is a wild goose belonging to the genus Branta, which is native to Arctic and temperate regions of North America, having a black head and neck, white patches on the face, and a brownish-gray body. It is quite...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Rare | Rare | Uncommon | |
| Wood Duck |
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The Wood Duck or Carolina Duck (Aix sponsa) is a medium-sized perching duck. A typical adult is about 19 inches in length with an average wingspan of 29 inches. This is about three-quarters of the length of an adult Mallard. It shares its genus with...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Rare | Occasional | Occasional | |
| Green-winged Teal |
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The Green-winged Teal (GWT, Anas carolinensis) is a common and widespread duck which breeds in the northern areas of North America except on the Aleutian Islands. It was considered conspecific with the Common Teal (A. crecca) for some time, and the...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Occasional | Uncommon | Common | |
| Mallard |
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The Mallard (Anas platyrhynchos), probably the best-known and most recognizable of all ducks, is a dabbling duck which breeds throughout the temperate and sub-tropical areas of North America, Europe, Asia, Africa, New Zealand (where it is currently...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Common | Common | Common | |
| Northern Pintail |
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The Pintail or Northern Pintail (Anas acuta) is a widely occurring duck which breeds in the northern areas of Europe, Asia and North America. It is strongly migratory and winters south of its breeding range to the equator. Unusually for a bird with...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Common | Abundant | Abundant | |
| Blue-winged Teal |
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The Blue-winged Teal (Anas discors) is a small dabbling duck. Its placement in Anas is by no means certain; a member of the "blue-winged" group also including the shovelers, it may be better placed in Spatula. It is not a teal in the strict sense,...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Occasional | Rare | Occasional | Occasional | |
| Cinnamon Teal |
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The Cinnamon Teal (Anas cyanoptera) is a small, reddish dabbling duck found in marshes and ponds of western North and South America.
The adult male has a cinnamon-red head and body with a brown back, a red eye and a dark bill. The adult female has a...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Uncommon | Common | Common | |
| Northern Shoveler |
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The Northern Shoveler (Anas clypeata), sometimes known simply as the Shoveler (pronounced /ˈʃʌvələr/), is a common and widespread duck. It breeds in northern areas of Europe and Asia and across most of North America, and is a rare vagrant to...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Uncommon | Abundant | Abundant | |
| Gadwall |
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The Gadwall (Anas strepera) is a common and widespread duck of the family Anatidae. This species was first described by Linnaeus in his Systema naturae in 1758 under its current scientific name. Its conservation status is Least Concern.
The Gadwall...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Common | Common | Common | |
| Eurasian Wigeon |
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The Wigeon or Eurasian Wigeon (Anas penelope, previously Mareca penelope) is one of three species of wigeon in the dabbling duck genus Anas. It is common and widespread within its range. This species was first described by Linnaeus in his Systema...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Rare | |||
| American Wigeon |
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The American Wigeon (also American Widgeon or Baldpate), Anas americana is a species of wigeon in the dabbling duck genus Anas. If this is split up, all wigeons will go into their old genus Mareca again. It is a common and widespread duck which...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Uncommon | Rare | Abundant | |
| Canvasback |
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The Canvasback (Aythya valisineria), historically known in the United States as a "Sheldrake", is a large diving duck, 48–60 cm long and weighing 1270 g.
The adult male has a black bill, a red head and neck, a black breast, red eyes and a whitish...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Occasional | Common | Abundant | |
| Redhead |
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The Redhead (Aythya americana) is a medium-sized diving duck, 37 cm long with an 84 cm wingspan.
The adult male has a blue bill, a red head and neck, a black breast, yellow eyes and a grey back. The adult female has a brown head and body and a...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Occasional | Occasional | ||
| Ring-necked Duck |
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The Ring-necked Duck (Aythya collaris) is a smaller diving duck from North America.
The adult male is similar in color pattern to the Eurasian Tufted Duck, its relative. It has a grey bill with a white band, a shiny purple head, a white breast,...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Rare | Rare | ||
| Greater Scaup |
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The Greater Scaup (Aythya marila), just Scaup in Europe, or colloquially known as "Bluebill", is a small diving duck. It breeds on the ground by lakes and bogs on the tundra and at the northern limits of the boreal forest across Arctic and subarctic...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Rare | Occasional | Common | |
| Lesser Scaup |
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Aythya affinis, the Lesser Scaup (singular and plural), is a small North American diving duck that migrates south as far as Central America in winter. It is colloquially known as the Little Bluebill or Broadbill. It is apparently a very close...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Abundant | Occasional | Abundant | Abundant | |
| Long-tailed Duck |
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The Long-tailed Duck (Clangula hyemalis) is a medium-sized sea duck. It is the only living member of its genus, Clangula; this was formerly used for the goldeneyes, with the Long-tailed Duck being placed in Harelda. An undescribed congener is known...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Rare | Rare | Rare | |
| Black Scoter |
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The Black or American Scoter (Melanitta americana) is a large sea duck, 43 to 49 centimeters in length. Together with the Common Scoter M. nigra, it forms the subgenus Oidemia; the two are sometimes considered conspecific, the Black Scoter then...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Occasional | Rare | ||
| Surf Scoter |
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The Surf Scoter (Melanitta perspicillata) is a large sea duck, which breeds in Canada and Alaska. It is placed in the subgenus Melanitta, along with the Velvet and White-winged Scoters, distinct from the subgenus Oidemia, Black and Common Scoters....
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Rare | Abundant | Abundant | |
| White-winged Scoter |
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The White-winged Scoter (Melanitta deglandi) is a large sea duck.
It is characterised by its bulky shape and large bill. This is the largest species of scoter. Females range from 950-1950 grams (2.1-4.2 lb) and 48–56 cm (19-22 inches), averaging...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Occasional | Uncommon | Uncommon | ||
| Common Goldeneye |
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The Common Goldeneye (Bucephala clangula) is a medium sized sea duck of the genus Bucephala, the goldeneyes. Their closest relative is the similar Barrow's goldeneye.
Adult males ranges from 45–52 cm (18-21 inches) and from 888 to 1400 grams (1.9 to...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Rare | Uncommon | Common | |
| Barrow's Goldeneye |
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Barrow's Goldeneye (Bucephala islandica) is a medium-sized sea duck of the genus Bucephala, the goldeneyes. This bird was named after Sir John Barrow.
Adults are similar in appearance to the Common Goldeneye. Adult males have a dark head with a...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Occasional | Occasional | ||
| Bufflehead |
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The Bufflehead (Bucephala albeola) is a small American sea duck of the genus Bucephala, the goldeneyes. This species was first described by Linnaeus in his Systema naturae in 1758 as Anas albeola.
The Bufflehead ranges from 32-40 cm long (12.5-16...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Occasional | Common | Abundant | |
| Hooded Merganser |
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The Hooded Merganser (Lophodytes cucullatus) is a small duck and is the only member of the genus Lophodytes.
Hooded Mergansers have a crest at the back of the head which can be expanded or contracted. In adult males, this crest has a large white...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Occasional | Rare | |||
| Common Merganser |
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The Common Merganser (Mergus merganser), also known as a the gulaund or goosander, is a large-sized duck, which is distributed over Europe, North Asia and North America. It is most common on lakes and rivers. Its nests can be found in treeholes....
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Occasional | Rare | ||
| Red-breasted Merganser |
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The Red-breasted Merganser (Mergus serrator) is a diving duck.
Its breeding habitat is freshwater lakes and rivers across northern North America, Greenland, Europe and Asia. It nests in sheltered locations on the ground near water. It is migratory...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Uncommon | Uncommon | ||
| Ruddy Duck |
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The Ruddy Duck (Oxyura jamaicensis) is a small stiff-tailed duck.
Adult males have a rust-red body, a blue bill, and a white face with a black cap. Adult females have a grey-brown body with a greyish face with a darker bill, cap and a cheek stripe....
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Common | Abundant | Abundant | |
| Turkey Vulture |
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The Turkey Vulture, Cathartes aura, is a bird found throughout most of the Americas. It also known in some North American regions as the Turkey Buzzard (or just "buzzard"), and in some areas of the Caribbean as the John Crow or Carrion Crow. One of...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Uncommon | Uncommon | Uncommon | Uncommon | |
| Osprey |
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The Osprey (Pandion haliaetus), sometimes known as the sea hawk, is a diurnal, fish-eating bird of prey. It is a large raptor, reaching 60 centimetres (24 in) in length with a 1.8 metre (6 ft) wingspan. It is brown on the upperparts and...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Occasional | Occasional | Occasional | ||
| White-tailed Kite |
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The White-tailed Kite (Elanus leucurus) is an elanid kite found in western North America and parts of South America.
Their coloration is gull-like, but their shape and flight falcon-like, with a rounded tail. Mainly white underneath, they have black...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Common | Common | Common | |
| Bald Eagle |
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The Bald Eagle (Haliaeetus leucocephalus) is a bird of prey found in North America that is most recognizable as the national bird and symbol of the United States of America. This sea eagle has two known sub-species and forms a species pair with the...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Rare | Rare | |||
| Northern Harrier |
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The Hen Harrier (Circus cyaneus) or Northern Harrier (in North America) is a bird of prey. It breeds throughout the northern parts of the northern hemisphere in Canada and the northernmost USA, and in northern Eurasia. This species is polytypic,...
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Checklist of Birds of the San Francisco Bay National Wildlife Refuge | Common | Common | Common | Common | |
