Is this true? So is it open hunting season for cats year round? Can I shoot them as well? Interesting reading on bird populations: http://edition.cnn.com/2007/TECH/science/06/14/bird.decline/ Story Highlights • 20 common birds have lost more than half their populations in the past 40 years from: DOMESTIC CAT PREDATION ON BIRDS AND OTHER WILDLIFE www.abcbirds.org Cats Are Not a Natural Part of Ecosystems The domestic cat, Felis catus, is a descendant of the European and African wild cats. Wisconsin: Researchers at the University of Wisconsin coupled their four-year cat predation study with data from other studies, and estimated that rural free-roaming cats kill at least 7.8 million and perhaps as many as 217 million birds a year in Wisconsin.