Northern
Rough-winged Swallow, Stelgidopteryx
serripennis
The adult Northern Rough-winged Swallow has solid brown upperparts; the juvenile has distinctive cinnamon wingbars that are variably bright, see above and below.
Northern
Rough-winged Swallow, Stelgidopteryx
serripennis
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The adult Northern Rough-winged Swallow has solid brown upperparts; the juvenile has distinctive cinnamon wingbars that are variably bright, see above and below. |
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