Beaver In California: Creating a Culture of Stewardship (booklet): https://oaec.org/publications/beaver-in-california/
Beaver observations at iNaturalist: https://www.inaturalist.org/taxa/43794-Castor-canadensis
Bouwes, N., N. Weber, C.E. Jordan, W.C. Saunders, I.A. Tattam, C. Volk, J.M. Wheaton, and M.M. Pollock, 2016. Ecosystem Experiment Reveals Benefits of Natural and Simulated Beaver Dams to a Threatened Population of Steelhead (Oncorhynchus Mykiss). Scientific Reports 6:28581. doi: 10.1038/srep28581. https://www.nature.com/articles/srep28581.pdf
Lanman, C.W., K. Lundquist, H. Perryman, J.E. Asarian, B. Dolman, R.B. Lanman, and M.M. Pollock. 2013. The Historical Range of Beaver (Castor Canadensis) in Coastal California: An Updated Review of the Evidence. California Fish and Game 99:193–221. https://oaec.org/wp-content/uploads/2014/10/Lanman.et-.al-.2013.pdf
Occidental Arts and Ecology Center WATER Institute Bring Back the Beaver Campaign: https://oaec.org/projects/bring-back-the-beaver-campaign/
Pollock, M.M., G.M. Lewallen, K. Woodruff, C.E. Jordan and J.M. Castro (Editors) 2018. The Beaver Restoration Guidebook: Working with Beaver to Restore Streams, Wetlands, and Floodplains. Version 2.01. United States Fish and Wildlife Service, Portland, Oregon. 189 pp. Online at: http://www.fws.gov/oregonfwo/ToolsForLandowners/RiverScience/Beaver.asp
Riverbend Sciences’ Beaver Mapper: http://www.riverbendsci.com/projects/beavers
Wathen, G., J.E. Allgeier, N. Bouwes, M. Pollock, D.E. Schindler, and C.E. Jordan, 2018. Beaver Activity Increases Habitat Complexity and Spatial Partitioning by Steelhead Trout. Canadian Journal of Fisheries and Aquatic Sciences. doi: 10.1139/cjfas-2018-0171. https://doi.org/10.1139/cjfas-2018-0171
*Abstract only. No freely accessible online full-text version.
Worth A Dam: https://www.martinezbeavers.org/wordpress/