Hansen's Field Guide to the Birds of the Sierra Nevada
June 01, 2021
Earn by promoting books
Earn money by sharing your favorite books through our Affiliate program.Become an affiliate
About the Author
Keith Hansen is a professional bird illustrator whose images have been featured in Birds of the Sierra Nevada: Their Natural History, Status, and Distribution; Discovering Sierra Birds; Birds of Yosemite and the East Slope; and The Natural History of the Point Reyes Peninsula, among other books.
Edward C. Beedy, who has a PhD in zoology, has authored numerous technical publications and articles about Sierra birds. He is the co-author of Birds of the Sierra Nevada and Discovering Sierra Birds.
Adam Donkin designs apps for major tech companies in Silicon Valley. He is co-founder of Flock LLC., where he creates mobile app experiences that encourage people to fall in love with nature through birding.