and Pied-Billed Grebes had higher uses at PC2001 in November and March of both years (Figure 4).
, 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.
Common name Genus and species Canada Goose Branta canadensis Mallard Anas platyrhynchos Bufflehead Bucephala albeola Red-breasted Merganser Mergus serrator American Coot
Fulica americana American Crow Corvus brachyrhynchos Cedar Waxwing Bombycilla cedrorum Northern Shrike Lanius excubitor American Tree Sparrow Spizella arborea Dark-eyed Junco Junco hyemalis Red-winged Blackbird Agelaius phoeniceus Common Grackle Quiscalus quiscula Brown-headed Cowbird Molothrus ater Common Redpoll Carduelis flammea American Goldfinch Carduelis ristis Table 2 Winter resident bird species in the Grand Calumet River corridor.
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 (1.17 ha) on the Arizona City golf course, Pinal County, Arizona (32[degrees]45.040N, 111[degrees]40.090W).
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.
A small armada of American coots
floats through the mist there, just up the creek from a pied-billed grebe that struggles with an uncooperative fish.