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

Behavioral Ecology and Sociobiology, Vol. 75, No. 6 (June 2021), pp. 1-15 (15 pages) Acoustic signals are one of the reproductive isolation mechanisms that can be a driving force for speciation.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. As someone who routinely “hides” things from myself—car keys ...

Squirrels are found nearly everywhere, and their apparently playful demeanor makes it easy not to notice that their lives can be difficult. That rambunctious behavior we observe both in city parks and ...

A gray squirrel has a mouthful while eating an acorn at the base of a tree in downtown Kennewick. Bob Brawdy Tri-City Herald Squirrels may be entertaining to watch at times, but they can become a ...