Studies on the Little Grebe Tachybaptus ruficollis and Great Crested Grebe
Podiceps cristatus have shown that these birds spend more time on foraging during the latter stages of winter to accumulate enough energy for migration and breeding in the spring (Chen et al., 2015).
Contracaecum ovale (Linstow, 1907) para el maca comun (
Podiceps rolland Quoy and Gaimard, 1824) y Contracaecum rudolphii sensu lato (Rudolphi, 1819) Hartwich, 1964 para la gaviota dominicana (L.
Exceptionally, there are observations in grebes (
Podiceps cristatus and P.
Management decisions and knowledge gaps: learning by doing in a case of a declining population of Slavonian grebe
Podiceps auritus.--Wildl.
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.
5056 3286 adamsii Grebe (unidentified) * 799 519 Horned Grebe
Podiceps 405 66% 263 auritus Red-necked Grebe P.
En el ano de 2010 se registro un evento de depredacion sobre una colonia de maca tobiano (
Podiceps gallardoi), especie endemica en estado critico de conservacion (Roesler et al., 2012).
(2014), siendo dos especies residentes y diez especies migratorias neartico-neotropicales: Anas clypeata, Aythya collaris, Aythya americana,
Podiceps nigricollis, Botaurus lentiginosus, Elanoides forficatus, Laterallus ruber, Porzana carolina, Tringa solitaria, Chlidonias niger, Ridgwayia pinicola y Setophaga nigrescens.
pied avocet, Recurvirostra avosetta, plovers, Charadrius spp, herons, Ardeidae spp., grebes,
Podiceps spp, and the black-winged stilt, Himantopus himantopus), faced the destruction of their habitats in recent years.
