Date   
Mount Diablo State Park, Saturday,Aug. 31 By Bruce Mast · #12513 ·
Continuing Bar-tailed Godwit in Oro Lomo Marsh, Alameda County By Bruce Mast · #12453 ·
Continuing Bar-tailed Godwit in Oro Lomo Marsh, Alameda County By Bruce Mast · #12452 ·
Possible Orchard Oriole at Coyote Hills By Bruce Mast · #12399 ·
Possible Orchard Oriole at Coyote Hills By Bruce Mast · #12397 ·
Yellow-breasted Chat at Mountainview Cemetery in Oakland By Bruce Mast · #12353 ·
Mitchell Canyon trip report, 5-4-2019 By Bruce Mast · #12344 ·
Wildcat Marsh Short-eared Owl, 1-26-19 By Bruce Mast · #12175 ·
continuing Summer Tanager in Claremont Canyon, Berkeley/Oakland By Bruce Mast · #12132 ·
eastern contra costa, Saturday, 12-22 By Bruce Mast · #12091 ·
Late report: Redwood Regional Park, Skyline Gate, Friday, 10/26 By Bruce Mast · #11956 ·
A murder of crows? By Bruce Mast · #11951 ·
Strawberry Canyon towhee-viewing tips By Bruce Mast · #11788 ·
Albany Plateau late report--No Kingbird on Sunday By Bruce Mast · #11787 ·
Lake Del Valle local interest, Saturday, June 9 By Bruce Mast · #11633 ·
Mines Road this past weekend By Bruce Mast · #11578 ·
Alameda Brown Booby continues Saturday afternoon By Bruce Mast · #11551 ·
Claremont Canyon local interest, Saturday 4/21 By Bruce Mast · #11521 ·
spring migrants--Western Tanager in Piedmont By Bruce Mast · #11519 ·
Eastern Phoebe By Bruce Mast · #11405 ·
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