Behind the scenes of a frenetic, 13-hour birding challenge.

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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 kind of low-growing fruit tree named Miconia calvescens had arrived … Read more
As the California Supreme Court wrote, “CEQA does not require an agency to consider the impact of existing conditions on future project users.”
If you look up the Arrowhead Marsh along the Oakland shoreline on Google Maps, the arrowhead shape is striking. If you look closer, you see that the eastern half of the marsh is noticeably darker in color than the western … Read more
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 blocks the waters of the Eel to form the Van … Read more
Basking sharks can be over 30 feet long and are characterized by their enormous gill rakers and three-foot tall dorsal fins. But these mysterious, massive, filter-feeding cousins of the great white shark aren’t just a scientific curiosity – they also … Read more
Newts carry enough toxin to kill a dozen people. Yet in the Bay Area garter snakes feast on them without harm.