Earth's tropical ecosystems have witnessed several extinctions and a dramatic reduction of
the range and abundance of large reptile species, which is directly related to the rise of early …

Numerous studies have analyzed predation risk on bird nests along forest edges, but results
are inconsistent and contributing factors not well understood. Few of these studies have …

Invasive reptilian predators can have substantial impacts on native species and ecosystems.
Tegu lizards are widely distributed in South America east of the Andes, and are popular in …

Aim Islands organisms usually have fewer predator and competitor species than mainland
ones. This is thought to result in high population densities on islands. We hypothesize that …

Vertebrates introduced in non-native habitats have contributed to several extinctions in the
modern era, with direct effects mainly over birds, mammals and reptiles on islands …

Em 2004, o Ministério do Meio Ambiente contratou a elaboração do Informe Nacional sobre
Espécies Exóticas Invasoras, cujos objetivos eram a coleta, a sistematização e a divulgação …

Many plant species are threatened as a result of extinction of their large-bodied frugivores
all over the world. Additionally, introduced herbivores and seed predators may cause severe …

Islands can serve as model systems for understanding how biological invasions affect native
species. Here we examine the negative effects of mesopredator mammals on bird richness …

Abstract The La Venta fauna of Colombia (∼ 13.5–11.5 Ma) represents the most diverse
Tertiary locality in the neotropics, with 75 mammal species and a highly non-analogue …

Studying collection specimens is often the only way to unravel information about recent
extinctions. These can reveal knowledge on threats and life traits related to extinction, and …