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 ...

SAN FRANCISCO -- Traditionally known for stuffing their cheeks with nuts, squirrels can be carnivorous - though recorded instances of the rodents hunting and killing other live vertebrates are rare, ...

Traditionally known for stuffing their cheeks with nuts, squirrels can be carnivorous — though recorded instances of the rodents hunting and killing other live vertebrates are rare, with few species ...

It's not unusual to see squirrels eating acorns or other nuts, or seeds; they are considered herbivores though they sometimes eat insects as well. But researchers now have evidence that when presented ...

Rapid changes in Arctic temperatures are influencing animal reproductive behavior. A University of Alaska Fairbanks scientist published a study in the current edition of Science magazine, building on ...

Out of the 74 observed interactions of California ground squirrels and voles between June and July 2024, 42 percent involved active hunting by the ground squirrels. Sonja Wild, UC Davis Get the ...