I had a brief look at a distant frigatebird sp. flying south off Slide Ranch at 10:37 this morning. I wasn't sure enough to report until I was able to confirm it on my laptop this evening (no receptio

Hi Joel - There's a small colony on the buildings to the north of the Thompson Reach mouth, just the other side of the bridge (Doyle Drive) from Quartermaster Reach. https://ebird.org/checklist/S87559

Hi all - I've been asked by several of you about the subspecies/age/sex of the wagtail present yesterday in Quartermaster Reach. I had designated it an adult female lugens ("Black-backed Wagtail," a s

This morning at 0822 near small clearing NE of (below) Stow Lake. More details and bad photo: https://ebird.org/checklist/S83251573 Cheers, Peter

Hi Brian - I would guess (tentatively) either thresher shark or white shark based on your description of size and behavior. No other sharks around here typically jump out of the water and many are not

https://ebird.org/checklist/S80372380 Seems too early for a migrant so perhaps wintered somewhere in the heights cheers, Peter

I first observed it in March 2020 https://ebird.org/checklist/S66295358 as well as this past fall. P

Hi Brian and all- I’ve referred to this individual as a ‘Short-billed Long-billed Curlew’ It has been on Funston Beach since August or so. I posted some photos to eBird which I can link up later. It c

California Bird Records Committee has been wrestling with this interesting question. Lately it has regarded Blue-winged Warblers in the state, few of which seem absolutely "pure," especially if phenot

Hi all - Follow-up message below to Scott Bowers on location of his dark-backed gull. I thought in a quick look that it could be a third or fourth cycle Lesser Black-backed as they can have a bill pat

Hi Adam and all - Yes, the BV park YBSA is an HY male. The other YBSA at Inspiration Point is an adult male, I think ASY but would need to see wing feathers better to eliminate SY. Cheers, Peter

Dog walker... flew N toward ~Judah

With SNPLs ~Moraga

Hi all - There has been a WTSP wintering with other crowns along "Mount Lane" staircase below Rocky Outcrop; map and photos here: https://ebird.org/checklist/S77160754 I heard it this morning, a riche

That's funny Joe. Sounds like you have just christened her, even though we don't know if it's a him or not (and these days it doesn't matter anyway). Actually, I'll look at last year's alternate feath

This morning in central area east of parapet, favoring large Norfolk/Cook Is pine. Similar to one that was at Cliff House a couple of weeks ago- hopefully will winter here

After examining photos by Rudy Wallen I (and Rudy) believe it to be 2nd cycle, not first cycle. I'll load my photos tonight or tomorrow (it seems eBird may be back up) to compare with the bird on Ocea

First cycle in bathing flock 08:00

Agree with CITE. HY male by the looks of it

There was what looks like a pale yellow (but strongly masked) TRKI at the Cliff House this morning. Will put post photos to eBird. It flew high and SE before I lost it in the sun over Richmond, in the