Across the U.S., there are an estimated 50,000 species that are non-native to their environments, 4,300 of which are considered “invasive” by the U.S. Fish and Wildlife Service. read more
Species that evolved together over millions of years are thrown out of balance by cats and other invasive species, often with devastating results. More than 4,000 invasive species—usually introduced species that did not evolve in a particular area—had been established in the United States alone as of 1999. read more
One species that might come as a surprise to some is free-ranging domestic cats (Felis catus), either as house pets allowed to roam free or feral individuals. The domestic cat is often a beloved pet, but it's also a major threat to native amphibians, reptiles, birds and small mammals, many of which are endangered. read more
When we think of invasive species, we tend to think of the exotic: Burmese pythons, Asian carp, or any of the bizarre creatures terrorizing Florida. But the truth is, our beloved cats can also be bad news for other species. read more