There was a study on the stomach contents of feral cats and it showed that most of their diet consisted of rodents and insects - a very low percentage of song birds. (catsinternational.org)
But a newly discovered song bird species may flip that notion on its head, thanks to its bald head, a characteristic that makes it completely unique for its type. (treehugger.com)
Cats should be kept indoors for their safety and the safety of wild animals, especially song birds. (petco.com)