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  ANHU-1902-72.jpg - Anna's Hummingbird ( Calypte anna ) on live oak on Ridge Trail above Claremont Canyon, Oakland, CA on June 12, 2014.  Photo taken by John Colbert.  Note pollen on beak.  R.Colwell says "I don't see anything helpful for ageing or sexing here.  I agree that the throat iridescent feather patch is large, but I have seen After Hatch Year females with a significant amount [of red]."  
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Anna's Hummingbird (Calypte anna) on live oak on Ridge Trail above Claremont Canyon, Oakland, CA on June 12, 2014. Photo taken by John Colbert. Note pollen on beak. R.Colwell says "I don't see anything helpful for ageing or sexing here. I agree that the throat iridescent feather patch is large, but I have seen After Hatch Year females with a significant amount [of red]."
Photographer: John Colbert | Camera: Canon PowerShot SX50 HS | Date: 6/12/14, 7:42 PM | Resolution: 576 x 432 | ISO: 400 | Exp. Time: 1/320s | Aperture: 6.5 | Focal Length: 215.0mm
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