Evening Grosbeak flock, Walden Ponds, 12/12, Boulder

[Thomas Heinrich]

There’s a flock of nearly 40 Evening Grosbeaks feeding in the Russian olive trees along the northern edge of Walden Ponds, just west of the sw corner of the sewage treatment plant. Vibrant colors on a gray and white day.

Thomas Heinrich
Boulder, CO
Nyc...@aol.com