Following last night’s (and early this morning’s) rain, I made it out to Richmond this morning praying for a pelagic bird carried into the bay by the storm. Nothing much on that front, but the bay was

Today on the mudflat, well over 100 Elegant Terns are present. The terns are vocalizing their spikey barbed black crests are raised, and some terns are paired facing each other, in a bill raising, hea

There has not been a lot of change in terms of spring birds in Heather Farm Park, but a lot of the winter birds have started slowly disappearing. There is only one male Ring-necked Duck and one female

I had a nice morning birding by ear on my weekly 8 mile trail run in Tilden / Wildcat Canyon today, though the foggy, breezy conditions made for a quieter bird day. Most notable, the little population

A good morning for migrants through the house patch. Highlights warbling vireo and early black-headed grosbeak and Wilsons warblers. Jim Chiropolos Orinda below Vollmer

Yesterday evening, 25th March, at Corteva Wetland Preserve (also known by the old name Dow Wetlands Preserve), almost at sunset time I was fortunate enough to find apparently the first for county the

The last week I have been observed interesting bird and animal behavior. My office overlooks the Emeryville mudflats and if my work time coincides with low tide, I check out the skimmers. If they are

A Western Kingbird was seen this afternoon from lower Owl Alley at pt. Pinole Regional Shoreline Park. It was perched atop coyote brush in a large meadow adjacent to the Bay and marsh area mid way bet

First of the season, Hayward Hills. Time to double the amount of hummingbird nectar I make.

Greetings birders! There is an important event coming up on April 15-17, the statewide triennial Tricolored Blackbird Survey. This survey has been conducted since the 1980s and is a joint effort betwe

For several days my wife has heard and seen a “new” bird in the backyard in the 700 block of Keeler Ave. It always left before I could grab my camera until today. Even then it was an obscured view. It

Tuesday morning I joined a hike organized by Save Mount Diablo to see the Peregrine Falcons at Castle Rock. Though for the first hour+ we saw only Turkey Vultures, at about 11am we heard a peregrine c

This afternoon we had a stunning male Rufous Hummingbird visit our feeders. We’re hoping that it will stick around for a few days. In addition, we have had American Goldfinches in our yard throughout

Vicinity of Mountain Ave, Blair Ave, and Bell Ave. Last heard between 133 and 141 Bell. Bruce Mast Oakland

I was gone for four days, so it seems a lot quieter in Heather Farm Park, except for the geese.. I did see a fair number of the crowned sparrows and one Fox. A Hermit Thrush also came out briefly. Bar

Hi all, has anyone seen or heard of a Bald Eagle sighting in the area of the Martinez Scenic Drive/George Miller trail?

It has been my experience that on the open water of the SF Bay from Point San Pablo through Pt. Isabel, Clark's Grebe is the dominant Aechmophorus grebe. This varies from slightly dominant (2:1 or 3:1

I found a colony of TRBL at Patterson Pass Road milepost 1.69 yesterday and watched them for an hour. Today I went back and watched for 2hr38min in overcast skies and only a 5-minute rain. Field notes

Eighteen birders had a nice morning visit to Valle Vista in Moraga Friday morning. The lake (Upper San Leandro reservoir) is almost full; quite a change from being extremely low six weeks ago. This al

He was swimming with the scaup and Ruddy Ducks between the islands and El Embarcadero - nearer the islands. Look for the black back; the tuft is very hard to see as he has his bill tucked into his bac