Friday, 3 April 2015

[cobirds] First date/last date - Douglas

This morning in our yard, Urling spotted our first Chipping Sparrow. We can easily report to Cobirds the first date we see birds - the first Say's Phoebe, Cinnamon Teal, Turkey Vulture, or Western Tanager -- or Chipping Sparrow. But figuring out the last date doesn't come so easily.

Based on our yard birds, I can report a few last dates for winter birds:

March 14    Am. Tree Sparrow
March 9      Cassin's Finch
March 27    Townsend's Solitaire

Does anybody else have last date records?


Hugh Kingery
Franktown, CO

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