Golden Gate Audubon Speaker Series
Barred Owls and Spotted Owls in California: The Future of Deep Forest Owls
Jack Dumbacher, Berkeley: Thursday, June 19, 7 p.m. refreshments, 7:30 program
$5 donation requested from non-members.
Over the last 50 to 100 years, the eastern Barred Owl has made its way to the western United States. Presumably helped by human landscape alteration, the species now inhabits all of the range of the endangered Northern Spotted Owl. In recent years, evidence is mounting to suggest that Barred Owls have become a primary threat to Spotted Owls—they are fierce competitors, aggressive territory holders, and faster reproducers, and have even been anecdotally reported to kill Spotted Owls. And they are spreading faster than ever. Jack Dumbacher will discuss the natural history and conservation concerns for both species and the potential actions proposed by different management agencies.
Jack Dumbacher is curator of birds and mammals at the California Academy of Sciences and professor of biology at San Francisco State University. He has been working on California Barred Owls since 2006. Jack points out that both species of forest owls can be seen (or more likely heard) in Marin County. He is a member of the Golden Gate Audubon Society board of directors.
To see more details and other speaker series events, check our website: