A gentleman from Andover witnessed, and well described, the behavior or a pair of gray squirrels gathering leaves in fall to build a nest together. Never having seen this process, I have always been ...

Once leaves drop in the fall, spotting nests in deciduous trees is easy. But birds likely didn’t build every structure you see: North American tree squirrels also construct treetop nests, called dreys ...

The summer foliage of deciduous trees has dropped and their bare limbs are exposed. What is discovered in the bare canopies? The bare winter tree limbs reveal what busy neighborhood squirrels have ...

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 ...