Ask the Naturalist: Why do tule elk drop their antlers every year?
Ask the naturalist: Bay Area bats and white-nose syndrome.
How do marine mammals sleep? And is sleep essential for their survival?
What does the evidence say about the historical southern extent of the range of the wolf?
Why do ants do what they do, and what makes them leave? Naturalist Michael Ellis explains.
Do rattlesnakes migrate and hibernate?
What’s the best time and place to see meteor showers from the Bay Area?
A reader wonders how sea palms and other species stay upright while being battered by waves.
A reader wonders which bird travels the farthest each year to arrive in the Bay Area
Recently, Bay Area beachcombers have been spotting dozens of mysterious blue jelly-like creatures littering the beaches. What are they, and why are they here? Bay Nature naturalist Michael Ellis explains.