Scientists estimate that a third or more of all the roughly 6,300 known species of amphibians are at risk of extinction [6]. Frogs, toads, and salamanders are disappearing because of habitat loss, ...

Tropical rainforest species are at especially high risk, as are top carnivores, species with small geographic ranges, and marine reef species. Humanity's main impact on the extinction rate is ...

“Knowing how animal body size correlates with the likelihood of a species being threatened provides us with a tool to assess extinction risk for the many species we know very little about,” Ripple ...

Contrary to the established idea that large predators are particularly at risk of extinction, a study of more than 24,000 species of birds, mammals, and reptiles reveals that herbivores, especially ...

A new report co-authored by a Canadian researcher warns that more than one-fifth of pollinator species it studied in North America are at risk of extinction. Out of 759 pollinators — animals ...

Tropical rainforest species are at especially high risk, as are top carnivores, species with small geographic ranges, and marine reef species. Humanity's main impact on the extinction rate is ...