3 hours, 10 mg/kg), (12) the American flamingo (27 hours, 10 mg/kg), (10) and the American black duck
(24 hours, 10 mg/kg).
Key Words: American black duck
, Atlantic Flyway Breeding Waterfowl Survey, Canada goose, mallard, New Jersey, wood duck
The geographic ranges of the American Black Duck
and Mallard overlap extensively.
FAA should improve control of birds and wildlife near airports The victims could fill a novice bird-watcher's bucket list: blackpoll warbler, double-crested cormorant, American black duck
, short-billed dowitcher, black-crowned night heron, magnolia warbler, budgerigar and green-winged teal.
With much open water, waterfowl were plentiful: greater white-fronted goose, 1; pink-footed goose, 1 (new species for the count); snow goose, 1; Canada goose, 2,440; mute swan, 14; wood duck CW (seen during count week but not on count day); gadwall cw; American wigeon, 1; American black duck
, 55; mallard, 786; northern pintail, 1; green-winged teal, 9; ring-necked duck, 28; greater scaup, 58; lesser scaup, 12 (new high); white-winged scoter, 1; bufflehead, 10; common goldeneye, 106; Barrow's goldeneye, 1; hooded merganser, 355 (new high); common merganser, 96; American coot, 2; wild turkey, 226 (new high); common loon, 9; horned grebe, 4.
Alan Davies, former site manager of the Conwy RSPB reserve, spotted the American black duck
The valley provides nesting and migrating habitat for a number of waterfowl species--mallard, American black duck
, wood duck, green-winged teal, northern pintail and Canada goose.
sampled Mallard ([dagger]) Anas platyrhynchos 2,600 American black duck
In some instances, such as the mallard (Anas platyrhynchos) x American black duck
(Anas rubripes) complex, hybridization leads to fertile offspring (Johnsgard, 1967; Kirby et al.
A RARE American black duck
has adapted so well to its new home in Devon that it has started emerging to eat bread thrown out for local tame mallards
According to the 2014 survey by the New York State Ornithological Association, Canada goose, brant, gadwall, American black duck
, mallard, canvasback, redhead, ring-necked duck, greater scaup, white-winged surf scoter, long-tailed duck, bufflehead, common goldeneye, three species of merganser (hooded, common, red-breasted), and ruddy ducks were some of the most commonly observed species.
All describe the American Black duck
, Anas rubripes.