San Mateo County, California, US
found on Monroe Trail on the way to Camel's Hump.
a.k.a. "California Live Oak"; Very large, multi-trunked specimens on Lick Hill between Stanyan Gate walk and Horseshoe Courts rest facilities
A white cockatoo living in Panoramic Hills, Berkeley. Made a loud squawking sound that was distinctly non-native.
Gall Wasp bulge in willow tree branch. Galls or cecidia are outgrowths on the surface of lifeforms.
I found this redwood tree on the UC Berkeley campus.
I found this white, budding flower growing on a tree which was growing under some redwood trees on the UC Berkeley campus.
found growing on an oak tree.
Feeding on / pollenating Arctostaphylos manzanita ssp. laevigata.