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Red-winged Blackbird or Tri-Colored Blackbird


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Spotted this female bird at Coyote Hills, California today. My guess is Tri-colored since the dark brown and streaky plumage field mark is quite visible. eBird states that Red-winged blackbird females have warmer tones for their plumage. Can anyone confirm?

Coyote-5

 

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9 hours ago, AlexHenry said:

Red-winged of the nominate subspecies, not the more common California Bicolored subspecies

Yes, good observation. Note the difference between the two. The nominate "Red-winged" females are warmer and show more contrast overall. California Bicolored RWBLs are more uniform and drab, often times providing confusing with Tricolored females; especially in winter when they form single sex flocks.

Nominate - https://macaulaylibrary.org/asset/194207051#_ga=2.13904631.1707160905.1611208953-635920480.1580272015

California Bicolored - https://macaulaylibrary.org/asset/35884981#_ga=2.79890263.1707160905.1611208953-635920480.1580272015

Tricolored - https://macaulaylibrary.org/asset/86187101#_ga=2.84160345.1707160905.1611208953-635920480.1580272015

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