Here we are in the dead of winter with nighttime temperatures falling into single digits, and despite this I am seeing signs that the breeding season for wildlife has begun. On Jan. 15, Mary Alice and ...

Grey squirrels, or Eastern grey squirrels, primarily live in the Eastern half of the U.S. and southern Canada. There is also a healthy population in the U.K., where they were imported in the 19th ...

Squirrel breeding is a real job—and apparently a very dangerous one if you're dealing with the wrong kind of squirrel. After the mysterious deaths of three German men who all worked as breeders of ...

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.