At Valle Vista this morning Susan Greef and I observed a pair of ash-throated flycatchers perching atop and going in and out of the first nest box left of the gate. ATFL nest in tree cavities but we'r

Observed Mon, Tues & Wed mornings June 4,5,& 6 in the south end of the Garden near the outflow pipe that goes under Marchbanks. Heard via Merlin Sound ID, seen, and photographed (poorly). Frequenting

Madel my day. Driving southbound on 680, quarter mile before Bernal exit, looked east across the freeway and saw it lazily circling, white tail feathers very prominent and striking. Marcus Pun Video E

From about 3:15 to 4:30 this afternoon there were perhaps a dozen gulls flying and vocalizing over Claremont Canyon (in the hills on the Berkeley/Oakland border). This was a very uncommon occurrence,

Thanks to all of you who responded to my message. The consensus was California Gull. Respondents mentioned location, date, and description. In the graphic posted by Jeff Manker, the wing tip for Calif

I just read on next door a birder was mugged for camera and wallet at the above mentioned location. The birding community needs to be aware of potential for this type of crime. I believe people with c

Recently I've spent a couple days birding Richmond, and despite the late date very small numbers of passerine migrants continue to trickle through. In recent days there has been a good movement of Ash

Hi all, On Saturday, April 15th Eric Pilotte, Etan Monk, Dessi Sieburth and I conducted a Contra Costa County Big Day, birding for 24 straight hours, driving about 363 miles, and walking roughly 15 mi

A little before 11 am Tuesday, at Garin/Dry Creek Park, a Bald Eagle was circling over the western portion of the High Ridge Trail overlooking Hayward. The eagle slowly worked its way south before dis

We have been feeding the birds at our south Berkeley home for decades, and we have never seen an invasion of Band-tailed pigeons like what we are currently experiencing. It's actually only around twen

Doug, This has been a big winter for the Band-tails. I counted over 300 in one twenty minute period from my house in Lafayette. This has been previously discussed on EBB and the common explanation is

Rosita and I made a leisurely walk into Pine Canyon Wednesday early afternoon. We had an Ash-throated Flycatcher land near us at the top of one of the meadows, White-throated Swifts circled the rocks,

Trying to return to the swing of things after an extended driving trip with Rosita. Today was only my second time to Heather Farm Park since our return. I do not understand why, but on the coldest and

I was out around noon today about 1.2 miles north of the Little Farm parking lot on Wildcat Canyon Trail and finally saw a Black-headed Grosbeak. I know they are fairly common in that area, but seem t

Heard an unfamiliar call on the east side of the lake near the ball fields; saw brief glimpse of 2 fast killdeer-like birds but straight-winged. Merlin Sound ID brought up White-throated Swift; played

Today, 5/21, a walk at Coyote Hills park yielded at least seven Least Terns, an immature Golden Eagle and the Chilean Flamingo that has been hanging around the south bay for so many years. James Yurch

Hi all, There were some erroneous reports of Neotropic Cormorant in Richmond recently, which would be a first county record. Unfortunately, the photos provided are of an immature (formative plumage) D

Hooded Warbler at Vollmer Peak, Contra Costa. Very hard to see but singing. Start search at main parking lot (Lomas Contadas Staging Area on my Google map) at (37.8818473, -122.2227083). It goes above

Monday morning (5/15/23) there was a thick marine layer (fog) over the San Ramon Valley so I ventured out to Las Trampas Regional Wilderness at the north end of Bollinger Canyon Rd. and hiked the Rock

Out at Berkeley Marina today around 3:30 PM and low tide, there were a few hundred Lesser Scaups between Caesar Chavez and the Berkeley Shoreline. Mixed in with them were a number of Clark’s Grebes, o