On lower Panoramic Hill in Berkeley, just north of Claremont Canyon, I have seen large numbers of crows on and off for the past 20 or 30 years. Along with hawks, they weren't here when I first moved t

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

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 last

The map on the Cornell website shows distribution for this bird far to the east. <https://www.allaboutbirds.org/guide/Northern_Parula/id> How rare is it to be seen here? Thank you, David

Coincidentally, yesterday I read the following with great interest: “Professor Remsen pointed out that sharp-shinned hawks, which pose a very real threat to hummingbirds, are so similar in appearance

Today on lower Panoramic Way I have been hearing a call that is new to me. (I may have heard it before but just never noticed it.) It's a four-note clear, staccato whistle, with the last note on a hig

On lower Panoramic Hill in Berkeley, for the last few hours or so I have been hearing a very loud, clear whistling call in the distance. Each call slides downward a tone or two and repeats about five

Thank you for the identification--that was exactly it. Plenty of oaks here too. David

Thank you for both tips. I am fairly certain it was an Oak Titmouse, one of which I saw here for the first time a few months ago or so. The three or four notes from about 00:58 to 1:07 of the Oak Titm

This afternoon on the lower part of Panoramic Hill I heard a new bird call, one I don't remember hearing before, at least not for this location. (I wouldn't have noticed it if it wasn't different from