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Singing female Purple Finches are routinely
reported by those who may not be aware that males in their first summer (second year) look like females. These young males go through all the hormonal and physiological changes (including testicular development which can be seen if a bird is in hand) that older "purple" males go through. If you see a singing finch that looks like a female you are almost certainly looking at one of these first summer males. |
Black-headed Grosbeaks - aldult male (left) and adult female (right) |
| Male MacGillivray's Warbler |
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| Pacific-slope Flycatcher
Note: yellow eye-ring elongated behind eye, yellow margins to coverts and tertials, longer primary projection, shorter p10. |
Willow Flycatcher
Note: virtually no eye-ring, whitish margins to coverts and tertials, (relatively) shorter primary projection, longer p10. |
Other in hand shots:
Hermit
Thrushes
Orange-crowned
Warblers
Fox
Sparrows