To investigate the role of ecological and historical factors in the organization of communities,
we describe the ecomorphological structure of an assemblage of snakes (61 species in six …

An Amazonian savanna in northern Brazil known as the Cerrado of Amapá is under
imminent threat from poor land-use planning, the expansion of large-scale agriculture and …

Rapid adaptive changes can result from the drastic alterations humans impose on
ecosystems. For example, flooding large areas for hydroelectric dams converts …

The niche expansion and niche variation hypotheses predict that release from interspecific
competition will promote niche expansion in depauperate assemblages. Niche expansion …

Anthropization of insular ecosystems may have negative impacts on native populations of
lizards, which provide core ecosystem services on islands. We aimed to identify …

We present a detailed list of the reptiles and amphibians occurring in two habitat types
(tabuleiros and Stational Semidecidual Forest) in the Reserva Biológica Guaribas (REBIO …

Some central and eastern populations of fisher P ekania [M artes] pennanti are expanding
their ranges following historic range contractions, while many western populations have yet …

The diet composition of lizards of a given species may vary among different populations. The
feeding ecology of the tropidurid lizard Tropidurus torquatus was studied in 10 coastal areas …

Understanding how biodiversity is partitioned among alternative land-uses is an important
first step for develo** effective conservation plans in multiple-use landscapes. Here, we …

Sexual size dimorphism (SSD) can allow males and females of the same species to
specialize on different sized food items and therefore minimize intraspecific competition …