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.

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.

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.

Serpens catus (snake cat) is the rarest feline species on Earth. These animals live in difficult-to-access regions of the Amazon rainforest, which is why they are relatively little studied.

While bobcats, which look similar to lynx, are common in Vermont, this species of big cat is incredibly rare and elusive. In fact, the last confirmed sighting of a Canada lynx in Vermont was in 2018.

Australia has added 750 new species of plants, animals, fungi and other organisms to its official list of species living on the continent. Accessibility links. Skip to main content; ...