Feral Cats Are An Invasive Species in North America (and elsewhere)
10,000 Birds
JULY 22, 2014
This almost certainly can be argued to be true just on the basis of logic, because feral Cats are proficient hunters and are entirely out of ecological place. Free-ranging domestic cats have been introduced globally and have contributed to multiple wildlife extinctions on islands. Let me tell you this: They are.
255 
Let's personalize your content