Podiceps auritus
National Institutes of Health
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A decrease in wetland habitats throughout North America has caused a decline in populations of marsh birds. The objective of this…
La tasa actual de extincion de especies ha aumentado al menos dos ordenes de magnitud respecto a los valores historicos del…
Exceptionally high cadmium (Cd) and chromium (Cr) concentrations were reported in eggs, feathers, or livers of selected waterbird…
Metal levels in feathers can often be used as an indicator of exposure and of potential effects in birds. In previous work at…
Abstract Group breeding is perplexing, because individuals incur density-dependent fitness costs to breed in groups, yet no…
To determine whether Hg from geologic/mining‐related sources at Pinchi Lake (BC, Canada) was causing elevated Hg exposure and/or…
Competition between large-bodied fish and waterbirds for aquatic invertebrates is well documented in oligotrophic lakes. Recent…
Parental feeding patterns were studied in red-necked grebe (Podiceps grisegena) broods throughout the entire period of parental…
Se presentan resultados de conteos y búsquedas de nuevas localidades invernales del Macá Tobiano (Podiceps gallardoi), realizados…
Abstract During 1995–1998 we studied the dynamics of nesting dispersion in a population of 160–200 Red-necked Grebes (Podiceps…