Rare to see a swallow perched. Yet Northern Rough-winged Swallows, they of the long name, seem to do it more than the Barn and Tree Swallows they were sharing the Sylvan Water’s insects with.
Stelgidopteryx serripennis, scraper wing saw feather.
No. Ro. Wi.
Published May 10, 2018 Fieldnotes Leave a CommentTags: birding, birds, Brooklyn, Green-Wood
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