Large diurnal raptors rarely nest on the ground, except for in areas lacking any elevated nesting substrates. However, rare nesting events have been documented, and species that usually nest on elevated substrates can ...

Species with wide breeding ranges have evolved different breeding strategies at different latitudes. Most passerines breeding in the South American temperate forest biome (30-55 S) have wide breeding ranges; however, most ...

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 ...

Isla del Coco is one of the five oceanic islands situated on the eastern tropical Pacific Ocean and represents an important nesting and roosting site for seabirds. Despite several factors that can potentially impact its ...

Abstract Background There is limited knowledge about the breeding strategies of birds inhabiting in South American temperate forests. This is particularly true for open-cup ...

Southern sea lions (Otaria flavescens; SSLs) have a polygynous mating system and a prolonged social-sexual maturation period for males. Male haulouts are common in this species, with some very distant from central breeding ...

Fork-tailed Flycatchers (Tyrannus s. savana) breed from central to southern South America from September to January, migrating to northern South America to spend the non-breeding season. However, little is known of the ...

Fork-tailed Flycatchers (Tyrannus s. savana) breed from central to southern South America from September to January, migrating to northern South America to spend the non-breeding season. However, little is known of the ...