Northern Rough-winged
Swallow - Nordtaggsvale - Stelgidopteryx
serripennis
Nördliche
Rauhflügelschwalbe
Mobile,
Alabama, April
2008
The call of this bird reminded me of Sand Martin - and seemed to like
the same kind of place - down by the river.
This is the book I have used on my trips to the USA - highly
recommended:
Northern
Rough-winged Swallow, downtown Alabama, April 2008
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