The mourning cloak butterfly, Nymphalis antiopa, is one of the most widely distributed butterflies in the world, ranging across most of the northern hemisphere. In some places like the British...
The global species-finding competition returns on April 24, minus the competition.
I’m not usually masochistic. But then I spent three months this winter trying to observe extremely elusive short eared owls in a busy park in the inner Bay Area. (I’ll...
It’s hard not to wonder if maybe it’s the people that have changed, and not the animals.
When Kyle Van Houtan, the chief scientist at the Monterey Bay Aquarium, first began publishing research in the 1990s, he had to physically mail a typed manuscript in an envelope...
Three subspecies of chestnut-backed chickadee inhabit the Bay Area. But the populations are merging.
The Diablo Range is a biodiversity hotspot harboring numerous rare, endemic, or disjunct species. Here are some of the plants and animals you can find there.
Mount Diablo State Park in Clayton. Trail: 7.7 mi, 2,208 ft elevation gain, loop
There’s a certain predictable expression that frequently settles on the face of the friend or family member I’m talking to when I say the word “biodiversity.” I’d call it tolerantly...
There are 10,000-plus species of birds in the world, about 1,100 species in the United States, and 350 or so in the greater Bay Area, so there is great variability...
Independent, nonprofit environmental journalism connecting people with nature in the San Francisco Bay Area.
