In the slough to the east of the Landfill Loop trail I saw a male bufflehead the back half of whose hood was white streaked just about vertically with gray. The demarcation was sharp and the two areas

The eBird Trip Report link below uses new functionality rolled out by eBird just in time for the CBC’s. It is a very nice way to drill down on the data from our January 2 count day: https://ebird.org/

Today I spent a little while birding the town of Port Costa, and then checking a few spots in Richmond. I've actually never birded in Port Costa before besides driving McEwen Road for Rough-legged Haw

Mount Diablo Audubon Society did a field trip today to the lake and marsh. We do not understand it, but there seem to be fewer and fewer birds on Lake Merritt. Of course, it is like that in lots of pl

One of the MDAS field trip participants had some kind of Kingbird at the entrance of Martin Luther King Jr. Reg. Shoreline upon his arrival during our trip Monday. He and I drove back toward the entra

Monday around eleven AM I saw my first Common Loon at Emeryville Marina Park. There were many Scaups, a few Pelagic Cormorants and Turkey Vultures, but adding a Loon to my photo list was a plus. Link

In cold, clear weather today’s teams in the field found 158 species, with highlights being Rock Wren, Redheads at two locations, Caspian Tern, Lark Sparrow, Heermann’s Gull, Black Scoter, Golden and B

Tonight we wrapped up our inaugural Richmond CBC with a Zoom session. We had slightly over 200 people scheduled to participate which was great and we’ll wait for a final count. Regards species seen, w

I just found a small Empidonax along the Wildcat gorge trail at 4:25pm this evening, in the willows on the West side of the trail, 30 feet North of the fire road that runs behind the Tilden Nature Cen

I spotted 2 Pelagic Cormorants off of the small point between Crown Cove and Ballena Bay in Alameda, CA. Crab Cove is at the end of McKay Street in Alameda. McKay dead ends into the park. Keep walking

I see Myrtle’s YR Warblers regularly at Hilltop Lake Park, but NEVER in such abundance. I believe I saw at least 10 yesterday, but listed 7 because photos eluded us for several individuals. The attach

There was a Peregrine Falcon perched on the old pier pilings next to the fishing pier out at the point yesterday afternoon, December 30, at about 3 p.m. Point Pinole Regional Shoreline Park, Richmond.

A large number of gulls was again at the north ball fields in Heather Farm Park, located in the Ygnacio Valley of Walnut Creek. There seemed to be a few more Ring-billed Gulls today and at least one C

While scoping ducks from the overlook near the northeast corner of the pond I spotted a large dark brown bird flying in from the west - an immature Golden Eagle, with white windows in the wings, orang

The inaugural Richmond CBC count week runs from Dec 30 to Jan 5 (count day is Jan 2). Any documented bird species seen during the Count Week, even if not seen on Count Day, will count towards our spec

Ethan and young birders - I think to convince a land management agency to not cut fennel, someone needs to produce a study of invasive plants and which need to be managed for birds - either during nes

I am closing this topic thread. Let’s keep this list serve to bird sightings and birding information, please. I love fennel too. But let’s not kick other environmental groups in this public forum. Hap

I suspect that this is the ISP (Invasive Spartina Project) spraying their favorite long lasting water soluble general herbicide, Imazapyr in an effort to eradicate hybrid Spartina from Arrowhead Marsh

While walking the dog this morning, I saw a Great Roadrunner on the south end of the track at Monte Vista. It was scurrying along the fence between the track and the small hill separating the stadium

I did a little birding today and the bay trail is always fascinating. My bike had a flat tire by the Garretson Point (by Arrowhead marsh) seasonal vernal pond wetland. As I changed the tire - I watche