Redhead Ay thy a americana Ring-necked Duck Aythya collaris Canvasback Aythya valisineria Lesser Scaup Aythya afpnis Bufflehead Bucephala albeola Ruddy Duck Oxyura jamaicensis Eared Grebe Podiceps nigricollis Clark's Grebe Aechmophorus clarkii Double-crested Cormorant Phalacrocorax auritus American White Pelican Pelecanus erythrarhynchos Great Blue Heron Ardea herodias Cattle Egret Bubulcus ibis White-faced Ibis Plegadis chihi American Coot
Fulica americana Sandhill Crane Grus canadensis Killdeer Charadrius vociferans Semipalmated Plover Charadrius semipalmatus Black-necked Stilt Himantopus mexicanus American Avocet Recurvirostra americana Solitary Sandpiper Tringa solitaria Spotted Sandpiper Actitis mandarins Long-billed Curlew Numenius americanus Generic sandpiper Calidris sp.
Of the crawfish competitors present, the following species were encountered at times in numbers great enough to concern farmers: Greater White-fronted Goose, Snow Goose, Gadwall, Mallard, Blue-winged Teal, Northern Shoveler, Northern Pintail, Green-winged Teal, Ring-necked Duck, Lesser Scaup, and American Coot
, Common Moorhen, Pied-billed Grebe commonly nest in Texas coastal wetlands farther north where rainfall is greater, seasonal river overflows influence wetland water regimes, or water levels are managed (Cottam & Glazener 1959; Weller et al.
In addition, a substantial decrease in nesting by Common Moorhens and American Coots
was noted during the 1990's.
On 17 January 2014 (1100-1145h), I observed an aggregation of ducks, Neotropic cormorants (Phalacrocorax brasilianus), pied-billed grebes (Podilymbus podiceps), and 75 American coots
diving to feed on small fish in an artificial lake (1.
To test the relationship between badge size and dominance, Dey and his colleagues traveled to New Zealand to observe these rail birds, similar to North American coots
, in their habitat.
of great blue herons, green herons, great egrets, black-crowned night herons, Virginia rails, soras, American and least bitterns, common moorhens, pied-billed grebes, American coots
, and American bitterns.
On the Delta Ponds, the American coots
were out in force, as were the mergansers, Canada geese and mallards.
Experts identified the birds as American coots
but said the cause of death could not immediately be determined.
have the cognitive skill to discern their own chicks from impostors.
Officials also observed aberrant neurologic signs in the wintering population of American coots
(Fulica americana) at the lake.