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 … WebOther synonyms. See also the taxonomic synonyms table.. Catalan: oreneta eriçada septentrional Czech: Vlaštovka šedohnedá, vlaštovka šedohnědá Chuvash: çурçĕр пампас чĕкеçĕ Danish: Nordamerikansk Savvinge German: Graukehlschwalbe, Nord- Rauhflügelschwalbe, Nördliche Rauhflügelschwalbe, Rauhflügel-Schwalbe English: …

Northern Rough-winged Swallow - Stelgidopteryx …

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 A generally brown swallow with not much contrast in its plumage. Brownish throat that does not contrast with the cheeks Diffuse brownish wash … lithium ion batteries usage

Northern Rough-winged Swallow Sounds - All About Birds

WebNorthern Rough-Winged Swallow showing its breast and underparts. 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 white with a brownish-grey wash, and below the throat are white underparts. The adults have a wingspan of 27–30 cm (11–12 in) and a weight of 10 ... 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 … WebThe northern rough-winged swallow lays a single clutch, although sometimes another clutch is laid if the first one fails, of four to eight glossy white eggs that measure about 20 by 14 millimetres (0.79 by 0.55 in) on average. It has been observed that the clutch size decreases with decreasing latitude. impurity\\u0027s 49