Buscar
Mostrando ítems 51-60 de 2765
Poor body conditions during the breeding period in a seabird population with low breeding success
(Springer, 2018-09)
Breeding has a high energetic cost and, in central place foragers, also restricts the ability of parents for self-foraging, with affecting on their body and immunological conditions. In migratory species, breeding overlaps ...
Seasonal Reproductive Dynamics of a Lek-Breeding Neotropical Treefrog is not Organized by Male Size (Anura, Hylidae )
(Soc Brasileira Herpetologia, 2020-12-01)
Social structure in anurans is directly related to reproductive traits such as chorus organization, male territoriality, pair formation, breeding site choice, and temporal breeding pattern. The Neotropical treefrog ...
Demography of the Neotropical austral migrant Elaenia albiceps chilensis (Tyrannidae) on its breeding grounds: climate and food offer effects
(Sociedade Brasileira de Ornitologia, 2018-12)
The White-crested Elaenia (Elaenia albiceps chilensis) is a Neotropical austral migrant that breeds in Patagonian forests and overwinter in South America tropics. We investigated White-crested Elaenia demography and the ...
MAGELLANIC PENGUIN (SPHENISCIDAE) MONITORING RESULTS FOR MAGDALENA ISLAND (CHILE) 2000 - 2008
(Universidad de Magallanes, 2008)
Nesting habitat of Chubut Steamer Ducks in Patagonia, Argentina
(Csiro Publishing, 2010-05)
We studied nest-site selection of the flightless Chubut Steamer Duck (Tachyeres leucocephalus) along 292km of continental coastline and 59km of island coastline in Patagonia, Argentina, between 2004 and 2006. This area ...
Haplotypes traceability and genetic variability of the breeding population of pacu (Piaractus mesopotamicus) revealed by mitochondrial dna
(2021-01-01)
The main objective of this study was to estimate the genetic diversity levels and haplotype traceability in pacu Piaractus mesopotamicus from the breeding program located in Brazil by analyses of the mitochondrial DNA ...