Naturalist’s Notebook: Good Algae Gone Bad
Blue-green algae has made some Bay Area ponds dangerous
Wildlife
Sea Otter Adoptees Born in Elkhorn Slough
A surrogate sea otter program at the Monterey Bay Aquarium has helped grow the wild otter population in Elkhorn Slough.
Pacific Chorus Frogs Use Their Famous Calls to Stake Out Territory
That iconic Hollywood "ribbit" has a purpose.
Ask The Naturalist: How Important Are Red Toyon Berries To the Winter Food Chain?
For a lesson in food chain dynamics, go ahead and observe a fruiting toyon bush this winter.
A Ghost Bird Visits Santa Cruz
A leucistic hummingbird spent the summer at the UC Santa Cruz Arboretum.
People Keep Condors Flying in the Pinnacles
Volunteers track the condor recovery in the Pinnacles
Ask the Naturalist: Do I See More Squirrels in Marin?
A reader asks: Are there more squirrels running around this fall than in years past?
Naturalist’s Notebook: An Illustrated Guide to Watching for Humpback Whales
What to look for when watching humpbacks.
After Decades Away, River Otters Make a Triumphant Return to the Bay Area
Scientists and volunteers track the river otter's remarkable return, and how to keep it going
Naturalist’s Notebook: The Enigmatic Clicking Cicada
The crepitating cicada is found in the Western United States.
