Cats kill more than one billion birds each year
New estimate suggests hunting felines take bigger bite than expected out of wildlife
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2013/01/17113.jpg?fit=600%2C384&ssl=1)
SMALL HUNTERS, BIG PROBLEM Cats may be killing far more birds each year than previously thought, as well as substantial numbers of mammals, says a new analysis based on hunting studies from around the world (cat shown with European robin).
vvvita/shutterstock