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Northern Rough-winged Swallow
Stelgidopteryx serripennis
37.6009, -121.872
Field Notes
Description:
Small swallows with brown on upper parts and pale to white on the under parts. They get their name from the hooks and points on the edges of their outer primary feathers that feel like a rough file.
Now what I read about them being adaptable. Is true here. These were creating nests, not burrowing. Some were using abandoned Cliff swallow nests and some using spot under the freeway where there was a groove they disappeared into.
Habitat:
I don't know where they spent their time since when I observed them were focused only on building nests. No water was at this location, but some not far.
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