From that tiny introduction, greys have traversed the country, to the detriment of our native red squirrels. They don't compete directly with our native reds, but have managed to reduce their ...

England's last remaining strongholds for red squirrels are being invaded by greys, a new survey suggests. Volunteers for the conservation organisation Red Squirrels Northern England (RSNE ...

Red and black squirrels also can breed together, sometimes creating offspring with mixed fur colors. The 2013 findings prompted Wilson to ponder why black squirrels were growing in proportion.

More than 9,000 entries from 98 countries – the most ever – were received for this year's edition of the Nikon Comedy Wildlife Photography Awards.

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 since ...

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 ...