This is an archived article that was published on sltrib.com in 2014, and information in the article may be outdated. It is provided only for personal research purposes and may not be reprinted.

Our great state of Utah can no longer turn a blind eye to the cause of death of 2.4 billion birds and 12.3 billion mammals per year in the United States.

The research on killing by domestic cats was done by scientists at the Smithsonian Conservation Biology Institute and U.S. Fish and Wildlife Service.

Let's stop enabling so many outdoor and feral cats. Thank you for caring about the nation's songbird population.

Nancy von Allmen

Salt Lake City