Ecology of the Coast Redwood - Ecology and natural history information on the Coast Redwood.
Golden Gate Raptor Observatory - Located just north of San Francisco, this site has info on California raptor migration.
Gulf of the Farollones National Marine Sanctuary - Encyclopedia of the sanctuary has info on mammals, fish, invetebrates, reptiles and plants.
Illustrated Native Ethnobotany of Coastal Northern California - ethnobotanical information on how 36 native american tribes, from Santa Rosa northward, used plants native to pre-contact California.
Marine Mammal Center - Located just north or San Francisco, this website has lots of great natural history and taxonomy information on marine mammals.
Natural History of the Coast Redwood Forest - Information on the ecology of the redwood forest and species lists for all flora and fauna of the region.
Fire in the Sierra Nevada - Information on fire ecology in the Sierras.
Sierra Nevada Forests - From the World Wildlife Fund, information on the ecology of the greater Sierra Nevada region.