From Bug Guide:
Larvae make linear-blotch mines in oak leaves. When females feed on opening leaves by piercing with their ovipositors and then drinking the juices, the punctures widen as the leaf expands and the full-grown leaf is riddled with holes.
Gray squirrel gathered nest material by harvesting the bark of this redwood tree. Redwoods have very fibrous bark and make good insulation.
Tracks and splats of a great egret.
Fungi cached on branches of tree by a Douglas squirrel. I also saw the squirrel and got a blurry photo of it on the branch below the cache.
Fungi cached on branches of tree by a Douglas squirrel.
Mountain lion scat in a scrape. Width of scat at widest point was 1 1/8". Scat was rock hard and contained very twisted deer hair inside.
Video of scat analysis:
Sign on Monterey pine
Feathers of unknown species
male turkey track and scats
Feeding sign on fungi.
Cone fed upon by a gray or Douglas squirrel.
Bird was seen.
Caching of mushrooms in trees by a Douglas squirrel. The squirrel saw me and came over to make sure I was not going to take his stashed mushroom!