WebThe northern rough-winged swallow averages about five and one-fourth inches long (tail tip to bill tip in preserved specimen). The adult has brown feathers on the head, wings, tail and back with dark feathers on the throat and upper breast. Its other underside feathers are white. The juvenile has rust-colored wing bars. Spring migrants start ... WebNorthern Rough-winged Swallow Stelgidopteryx serripennis. 1. 2. 3. Description 4. Adults are 13–15 cm (5.1–5.9 in) in length, brown above with white underparts, a small bill, and a forked tail. Their throat is a white with a brownish-grey wash, and below the throat are its white underparts.
Northern Rough-winged Swallow Audubon Field Guide
WebRidgway's rough-winged swallow ( Stelgidopteryx serripennis ridgwayi) is a bird in the family Hirundinidae . It is found in Belize, Guatemala, and Mexico. Most taxonomic … 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 … high heels in tagalog
Northern Rough-winged Swallow (Crum Woods Biodiversity …
WebNorthern Rough-winged Swallow - eBird. Plainest 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. Web1 de jan. de 2008 · Green, M. 2005. Northern Rough-winged Swallow. In: California Department of Fish and Game and California Interagency Wildlife Task Group. California Wildlife Habitat Relationships Program version 8.1. Web4 de mar. de 2024 · Northern Rough-winged Swallow Stelgidopteryx serripennis. Northern Rough-winged Swallow. Names (26) Subspecies (6) Michael J. De Jong. … how interest rate affect stock market