A number of recent developments are prompting me to finally express some questions and concerns about the state of our birding world, mostlypertaining to eBird as it's currently formatted. The most

My wife and I took a walk around the natural pond at Heather Farms in Walnut Creek today about 3:00 pm. We got to the small beach just opposite the wood railing near the parking lot and there spotted

Finally, after several years of hearing the beautiful opening phrase of Beethoven's Fifth in the morning as we're feeding the horses, I saw a ... mockingbird! Pretty obvious I guess, but until I saw

I work in Etcheverry Hall at Cal. This afternoon I saw a very unusual junco on Ridge Road near the intersection with Hearst. Its breast was white rather than black and buff. Its back was mottled

Seen flying over Dairy Glen area from Quarry area. A park naturalist reported that a prairie falcon had been perched in the ironwwod eucalyptus outside the butterfly garden yesterday. Chris

This post is to confirm the continuation of the Yellow-Bellied Sapsucker by the Tilden Nature Area. I observed it this morning from 8:55AM- 9:10. It was first seen by Alan Kaplan’s GGAS group on

Thank you for the identification -- it certainly sounds like the "territorial scream or advertising call" here: <https://www.allaboutbirds.org/guide/Barn_Owl/sounds> There have been Great Horned Owls

Barn Owl

Tonight from about 8:00 to 8:30 p.m. I heard a loud bird alarm cry from somewhere high in the hillside oaks near the Clark Kerr Campus in Berkeley. It was a single-note, full-throated scream that

Hello all, Went back to Tilden Park to confirm the sapsucker we had spotted on Friday.  This time I got a good look and identified it as a young Yellow-bellied Sapsucker.  I posted some photo on my

3 mile hike with the family today (Sunday, from about 10am to noon) up in Tilden. Beautiful male Rufous Hummingbird displaying, swooping and buzzing on the Meadows Canyon trail about 100 yards or so

The Tropical Kingbird seen last fall was seen again this afternoon. It was about 1/8th of a mile east of where it was seen before just past the last buildings on the north side of West Winton. It was

Alan, Thanks for leading the group again. Always learn something new on these walks. I posted my photos from the walk at:

Tilden Nature Area, Contra Costa, California, US Feb 2, 2018, 8:30 AM - 11:40 AM Golden Gate Audubon Society First Friday Birdwalk, February 2, 2018. Groundhog Day! Walk to Jewel Lake and back again.

It was party time this morning at Brooks Island and along the jetty extending out from the island. We arrived by boat as the tide was just coming in. The shoreline and nearby waters were filled with

Today I saw a tree swallow zip up to a bird box along the Belgum trail in Wildcat Canyon today. Sure felt like Spring today! Also 2 varied thrushes along Wildcat Creek trail. Otherwise pretty quiet-

This morning at 8:30 while doing a test drive with a Toyota Mechanic, I noticed at Laughlin Road and Blue Grass Court a Kingbird perched on the fence along the east side of the road. This kingbird I

Late this afternoon there crowds of people cast netting for herring from the Ferry Point fishing pier and crowds of gulls along the shoreline. This should likely continue with the next couple of high

There was mention in several January postings of the presence of somewhat unusual flocks of Greater White-Fronted Geese. There are (at least) two individuals of this species continuing at McLaughlin

The Mt. Diablo Audubon Society field trip today started at Lake Merritt, where we found plenty of ducks, including Barrow's Goldeneyes. A surprising Brown Creeper was seen in a tree near the