Cats are cute, furry, cuddly — and an invasive alien species. The Poland Academy of Sciences made this determination in July, and the U.S. should follow suit.

While the image of Tibbles causing the extinction of a bird species is overwhelmingly tragic and heartbreaking, the legitimacy of the story has been questioned. It's not even known for sure where ...

A respected Polish scientific institute has classified domestic cats as an invasive alien species, citing the damage they cause to birds and other wildlife. Some cat lovers have reacted ...

In the end, their list featured 2,084 species, which includes 981 birds, 463 reptiles, 431 mammals, 119 insects and 57 amphibians, plus 33 additional species from other groups.

Pakistan has long been struggling with the gradual disappearance of its rare wildlife species due to a lethal mix of environmental and human-induced factors, including habitat destruction, dwindling ...

Though the new list may not be complete yet, Lepczyk hopes providing an in-depth analysis on what free-ranging cats eat will help conservationists and policy makers combat the feline invasion.

According to the United States Environmental Protection Agency, there are over 1,300 species listed as endangered or threatened to become extinct in the U.S. under the Endangered Species Act of ...

Reintroduction programs restore species to lands from which they have disappeared. For some animals, it’s their last hope for survival. Thousands of years ago, an artist painstakingly carved the ...