The North American squirrel is an oft-seen but under-recognized staple of North America. They operate on a low-key level but are adaptable enough to survive the waves of human development that have ...

Up and down the hallway, the lights were out in all the classrooms and laboratories, along with the refrigerators, air conditioning units and lab equipment. I guess I’d better go and get it. One of ...

At first, I thought a black cat had crossed my path, but a second glance out the window revealed the critter was not a cat at all – it was a black squirrel, and a rather burly one at that. Black ...

The Western gray squirrel is the largest tree squirrel in the state. It’s being threatened by wildfires and habitat fragmentation. Courtesy of Jennifer Becar with the Washington Department of Fish and ...

Question: A couple of black squirrels have been joining the merry band of gray squirrels marauding my bird feeders. What causes this color change, and how common is it? Answer: Recent research from ...

Squirrels and possums apparently think being king of the road means piling up the most road-kills for your species. Although possums ordinarily win the I-got-hit-by-a-big-truck award, squirrels seem ...

White undersides on a gray squirrel have an evolutionary purpose, but all-white squirrels go on acting the same as gray ones ...