You might have observed cat, after releasing its feces, covering it making a heap of sand over it—an amazing feat (which shows consideration for others), a superb loving act that it could not have learned from even humans.
That's about the dumbest thing I have read in a long time. This is the reality:
Cats that live in the wild or indoor pets allowed to roam outdoors kill from 1.4 billion to as many as 3.7 billion birds in the continental U.S. each year, says a new study that escalates a decades-old debate over the feline threat to native animals.
http://www.usatoday.com/story/news/nation/2013/01/29/cats-wild-birds-mammals-study/1873871/