Despite the key role that knowledge on breeding biology of Accipitriformes plays in their
management and conservation, survey of the state-of-the-art and of information gaps …

The Atlantic Forest of northeast Brazil hosts a unique biota which is among the most
threatened in the Neotropics. Near-total conversion of forest habitat to sugar cane …

Mammals have evolved several morphological and behavioral adaptations to reduce the
risk of predation, but we know little about the ecological factors that favor their evolution. For …

The rufous crab hawk (Buteogallus aequinoctialis) is a crab-eating specialist restricted to
South American mangroves. Even though it is considered Near Threatened, with presumed …

Abstract The White-collared Kite (Leptodon forbesi), previously known by the holotype and
three specimens from northeastern Brazil from the late 1980s, is considered by many as a …

Abstract The White-collared Kite (Leptodon forbesi) is an endemic and threatened raptor of
the Brazilian Atlantic Forest. Here we present the known records of the species, describe the …

The genus Leptodon encompasses two Neotropical raptor species. The more widely-
distributed Gray-headed Kite (Leptodon cayanensis) occurs in a vast area of Neotropical …

As espécies de animais e vegetais se distribuem pelo planeta Terra de forma não uniforme,
ocorrendo onde lhes são favoráveis as condições de sobrevivência, preferivelmente em …