San Mateo County, California, US
a.k.a. "California Live Oak"; Very large, multi-trunked specimens on Lick Hill between Stanyan Gate walk and Horseshoe Courts rest facilities
Couldn't tell if this was planted
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.
Not sure what these are? They are pale and the stripe looks similiar to a Pacific Black Duck but the rest of the plumage colouring is not right.
Not sure what this is either - a good size larger than a Pacific Black Duck
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.