PHOENIX — Animal lovers now have a new piece of good news to go nuts over: a population of endangered red squirrels unique to Arizona is growing slightly. Wildlife officials found there are 233 ...

The Mount Graham red squirrel population in Arizona has risen more than expected, according to the Arizona Department of Game and Fish. The latest survey shows an increase of about 89 squirrels ...

A California ground squirrel in Contra Costa County runs with a vole it hunted in its mouth. A study from UC Davis and University of Wisconsin-Eau Claire is the first to document widespread ...