http://www.birdweb.org/Birdweb/bird/northern_rough-winged_swallow WebThe Northern Rough-winged Swallow's name refers to the tiny serrations on the outermost wing feathers of this swallow, a feature visible only when the bird is in the hand. The possible adaptive significance of these serrations remains a mystery. The Northern Rough-winged Swallow is an aerial forager and feeds over water more than most …
Northern Rough-winged Swallow - BirdWeb
WebPlainest swallow in North America. Plain brown above with indistinct brown wash across throat and breast. Wings are relatively broad; tail is short and square (or slightly notched). Juveniles have rusty wingbars. “Ridgway’s” subspecies, mainly found on the Yucatan peninsula, is larger and lankier, almost recalling a martin. Look for the deeper notch in … Web4 de abr. de 2007 · To my eye these photos are of Northern Rough-winged Swallow. We get Tree, Rough-winged, Barn, Bank and Cliff Swallows here in Missouri and many times they will perch on utility wires for great comparisons. NRWS are rather hefty, sustantial looking birds. Bank swallows are quite a bit smaller and more delicate looking. orange and black slingshot grand touring le
northern rough-winged swallow
http://www.gregmillerbirding.com/2011/07/man-made-burrows-for-northern-rough-winged-swallows/ WebThe Rough-wing is the solitary one, not nesting in colonies like the Bank Swallow. It is usually seen singly or in small groups, even during migration, in rapid low flight over … WebNorthern rough-winged swallow. Purple martin. Tree swallow. Violet-green swallow. Albatrosses (4) American sparrows, towhees and juncos (40) Auks, murres and puffins (9) Birds of prey (25) Bitterns and herons (12) Blackbirds, meadowlarks, cowbirds; grackles and New World oriole (17) orange and black songbird