Wigeons are seasonally monogamous and the female chooses her mate during January and February. I photographed what some call a courtship flight of the female swirling around the pond with three males

The VESPER SPARROW continued about mid-day today (Feb. 12) at the Upper Sindicich Lagoon at Briones Regional Park. The first time I walked by, I saw only Savannahs and a Lincoln's. When I passed by a

I'm not sure if I ever posted this, so I will now since I haven't put a name to it. On 8/2/12, on the Hayward/Castro Valley border (a mile as the crow flies from Don Castro RRA), I

Cedar Waxwings spotted on the corner of Benvenue & Russell workin' the trees. Can hear them before you see them. This corner often has goldfinches and other birds due to the feeders on the

In Strawberry Canyon pre-dawn on 2/6/18 unexpectedly my light picked up a reflection on the ground. My dog ahead of me scared it up before I could ID it. The next 2 days I put her on a leash and of

Hey folks, I finally made the trek up the ridge to Sindicich Lagoons in search of sparrows. Arriving at the upper pond at the junction of Briones Crest Trail and Lagoon Trail, I located a small flock

Today, Saturday, February 10th, at 11AM I saw a single ROSS'S GOOSE with 4 Canada Geese on the lawn across Bellevue Avenue from the Rotary Nature Center at Lake Merritt in Oakland. Larry

We had a beautiful morning for our stint in the Birding the Bay Trail docent program. More than 50 species from Meeker Slough between Marina Bay and Pt Isabel in Contra Costa County. Two particularly

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