Australian tube worms are now widespread in brackish waters of the San Francisco Bay.
Blue-green algae has made some Bay Area ponds dangerous
What to look for when watching humpbacks.
The crepitating cicada is found in the Western United States.
“As a naturalist, educator, and artist, I have found that my journal is the most necessary tool I carry into the field with me; it is even more necessary than my binoculars.”
The alien in your back yard is a large, invasive, predatory land planarian.
Red-tailed and red-shouldered hawks are both common in the Bay Area.
How to tell two large aquatic mammals apart?
Western bluebirds make use of abandoned woodpecker nest cavities.
Naturalist John Muir Laws illustrates the great herring migration in the San Francisco Bay