Now that I think about it, I can sort of believe this. There is a cat in our neighborhood called ‘Prince Charles’ and I have seen him stalking and chasing birds, rabbit’s, etc. 

-Biologists estimated that cats are responsible for the deaths of as many as 3.7 million birds and 20.7 billion smaller animals, including mice, voles and chipmunks, the Agence France-Presse reported. The study also concludes that cats are likely the No. 1 killer of birds and small mammals in the country- Click here for more
(source: huffingtonpost.com)