Once leaves drop in the fall, spotting nests in deciduous trees is easy. But birds likely didn’t build every structure you ...

A new UC Davis study details for the first time the nesting needs of northern flying squirrels in the Sierra Nevada, supplying important information for managers of old-growth forests there. One ...

Tree squirrels (Sciuridae: Sciurini) are considered to be asocial; however, communal nesting is reported for most species. I examined the sociality of uniquely marked fox squirrels (Sciurus niger) and ...

Q: I’ve just experienced a squirrel making a nest behind the windshield washer bottle. With a one-car garage, my car has been the one to sit in either driveway or on the street for most of the day.

Q: This past Thursday and Friday, we had visits from a flock of about a dozen evening grosbeaks. In both cases, they were chased away from our feeder by an aggressive red squirrel (is there any other ...