Feral Cats Are An Invasive Species in North America (and elsewhere)
10,000 Birds
JULY 22, 2014
You can make a similar map for the small carnivores, the Mustelids, such as minks, ermines, otters, etc. When you throw the feral Cat in there, not only do they push out the indigenous wild carnivores, but they are hunting animals that are not quite adapted to avoiding them as well as they may be to avoiding other animals.
254 
Let's personalize your content