Estimates about groups size, density and composition of primates are commons in the papers, because they are a solid base for futures studies in landscape ecology and ethology, for example. They are also essential to know ...

Ameivula nativo is the only parthenogenetic lizard of its genus and endemic to the restingas of Espírito Santo and southern Bahia. It is considered as "Endangered" in the List of Threatened Species of Extinction, because ...

Muriqui is a Atlantic Forest endemic primate and is endangered. Actually, at São Paulo State, the main threat for his survival is the hunting pressure. Probably exist 1300 southern muriquis in nature, but, little is known ...

The Atlantic Forest is considered one of the world's hotspots of biodiversity and, even with the growing threat to its ecosystems, has a high level of biological diversity and endemism. Euphorbiaceae is one of the largest, ...

As alterações ambientais causadas por empreendimentos hidrelétricos, em constante proliferação no Brasil, ameaçam tanto organismos aquáticos quanto terrestres. Grandes hidrelétricas causam declínios na abundância e riqueza ...

Embora ameaçada, a região Neotropical abriga uma riqueza ainda subestimada, pois diversas espécies novas vêm sendo descritas para a região. Nesta região é muito comum a ocorrência de espécies morfologicamente crípticas e ...

This study aims to investigate spatio-temporal dynamics of Ariíds Cathorops spixii (Cs) and Genidens genidens (Gg), in which the hypothesis was tested to verify if the groups of individuals of C. spixii have the same pattern ...