Golden Gate Audubon Society First Friday Bird Walk, August
4, 2017. Tilden Nature Area to Jewel Lake and back again.
Today's theme was Hummingbirds: new 21st century stuff on
anatomy and phylogeny. Let me know if you want notes and
references. Check out National Geographic July 2017 issue
for Hummingbird flight article- amazing!
Thank you to Bob Smith and George S. for scope and camera
The MoB (many observers) of 47 birders saw or
heard these 33 species :
Belted Kingfisher He flew out, dove for, and caught
a fish while we watched. Preening for a long time
Northern Flicker Picidae Grand Slam!
Warbling Vireo Family with young at the lake
Common Raven Corvid Hat-trick!
Best of Boids!
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