How long do hummingbird parents take care of their young?
Most coyotes won’t stay within the Presidio’s relatively safe confines.
John Robinson has 20/15 vision and perfect auditory recall. But he’s dedicated his life to the idea that anyone can learn to bird.
Scientists sound the alarm about free-falling insect populations. What can you do about it?
Text and research by the California Center for Natural History Fledging Hatching in early spring as fuzzy white balls that weigh about the same as two slices of bread, young redtails (Buteo jamaicensis) grow quickly, making high whistling calls to their … Read more
Liam O’Brien went from Broadway actor to butterfly observer … and then some.
Point Reyes National Seashore staff returned from the government shutdown to find a new master of the beach.
Many birds now arrive early — but some, like Wilson’s warblers in the Bay Area, arrive later than they once did.
How does a butterfly get its green? It’s not pigment.
Vetch and Argentine ants cooperate, exchanging food for protection.