the gray wolf made the original Endangered Species List. The subsequent Endangered Species Act of 1973 called for their restoration. Consequently, the National Park Service changed their policy to ...

The Earth is currently experiencing its sixth major extinction event. One million species globally are at risk of extinction in the next few decades, including 27 percent of the world’s mammals, 41 ...

Using fixed rig cameras ensured the area could be observed with minimal disturbance and over a period of 6 months 105 species were logged and verified, including 26 different mammals. The cameras ...

Previously, we published "Species of Concern" lists as PDF documents, on our website, or via our recently-retired Species List application. We now offer access up-to-date versions of these lists via ...

The U.S. Fish and Wildlife Service protected jaguars as endangered in 1972. But in 1980, responding to objections, the Service removed jaguars within the United States from the endangered species list ...

A species is a distinct group of organisms and the most basic unit used to measure life on Earth. However, there’s no single definition of a species, meaning this vital concept in biology can be ...

The new classification comes years after the International Union for Conservation of Nature (IUCN) had already removed the animal from its endangered species list and re-labelled it as "vulnerable ...

The outcomes of competition between two species can be predicted using equations, and one of the most well known is the Lotka-Volterra model (Volterra 1926, Lotka 1932). This model relates the ...

If we lived in an ordinary time—time here being understood in the long, unhurried sense of a geologic epoch—it would be nearly impossible to watch a species vanish. Such an event would occur ...

announced on Tuesday that 13 species have been added to the Virginia Invasive Plant Species List. The list — which now ...

The wealthier the suburb, the lusher it tends to be,” a UQ researcher says, as a study reveals some of Brisbane’s shadiest ...