The longer days with plenty of sunlight and milder temperatures have slowed the activity at my bird feeders. I still get about eight kinds of birds visiting each day, but those that come by seem to ...

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.

In the rolling green hills of California’s Briones Regional Park, not far from the urban bustle of Oakland and Berkeley, the squirrels are not what they seem. Instead of simply stuffing their cheeks ...

Squirrels belong to a diverse family of mammals that includes tree squirrels, ground squirrels, chipmunks, prairie dogs, ...

It has been some time since local wildlife enthusiast Marty Mahowald asked me what I knew about black squirrels. He went on to explain that in recent years, he has noticed more of these critters ...

Squirrels are capturing attention online with their cleverness and resilience. Their teeth grow continuously, and they support each other in winter. Their name comes from Greek words for shadow and ...