How Many Birds Can Be Found in the Bay Area in One Day?
Behind the scenes of a frenetic, 13-hour birding challenge.
Behind the scenes of a frenetic, 13-hour birding challenge.
Large carcasses can't just be wiped up. What are the other options?
It took decades of work to prepare for this spring's Northern California condor restoration on Yurok Tribal land.
“The time is ripe for biologists to unravel the diversity, ecology, and natural history of land flatworms,” one scientist writes
Erica Spotswood, the science director of the San Francisco Estuary Institute’s Urban Nature Lab, got her dissertation studying seed dispersal on the French Polynesian islands of Tahiti and Moorea. A...
Cape Horn is a concrete and earth-filled dam on the upper Eel River in Mendocino County. About 140 miles north of San Francisco, the dam was built in 1907 and...
Newts carry enough toxin to kill a dozen people. Yet in the Bay Area garter snakes feast on them without harm.
Sightings of coyotes with steely irises are sporadic and rare, so no one is sure how many individuals there are in the park or if their population is increasing or...
It is now a given that the health of an ecosystem can be measured by the abundance and diversity of the native organisms able to survive and thrive there –...
A reader finds a dead small mammal. Is it a mole? A shrew? A shrew mole?