Common Goldeneyes, Boulder County, Colorado, 1/07. |
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Common Goldeneyes, Adams County, Colorado, 2/07. |
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Common Goldeneye drake, Arapahoe County, Colorado, 12/05. |
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Common Goldeneye drake with crayfish, Jefferson County, Colorado,
2/04. Note green iridescence at this light angle. |
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Common Goldeneye drake, Jefferson County, Colorado, 2/04. Note purple
iridescence at this light angle. |
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Common Goldeneye drake in flight, Jefferson County,
Colorado, 2/04. |
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Common Goldeneye drake displaying (giving "peent" call),
Jefferson County, Colorado, 2/04. |
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Female Common Goldeneyes at Wheatridge Greenbelt, Colorado. |
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Barrow's Goldeneye in flight, Adams County, Colorado, 2/06. |
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Barrow's Goldeneyes (with one dark-billed female Common Goldeneye),
Summit County, Colorado, 3/04. |
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Female Barrow's Goldeneye, Summit County, Colorado, 3/04. |
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Male Barrow's Goldeneye, Summit County, Colorado, 3/04. |
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Barrow's Goldeneye drake in alert posture (note crest),
S. Platte River, Thornton, Colorado. |
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Same drake Barrow's Goldeneye in a more relaxed posture,
S. Platte River, Thornton, Colorado. |
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Barrow's Goldeneye hen, S. Platte River, Thornton,
Colorado. |
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Barrow's Goldeneye pair, S. Platte River, Thornton,
Colorado. |
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Male acting funny around female Barrow's Goldeneye,
S. Platte River, Thornton, Colorado. |
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Comparison of male Barrow's Goldeneye (left), with
male Common Goldeneyes (right), S. Platte River, Thornton, Colorado.
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Comparison of female Barrow's Goldeneye (2nd from right)
with female Common Goldeneyes (and the male Barrow's Goldeneye), S.
Platte River, Thornton, Colorado. |
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Group of Barrow's and Common Goldeneyes, S. Platte
River, Thornton, Colorado. |
