Southern Rough-winged Swallow
Encyclopedia
The Southern Rough-winged Swallow , Stelgidopteryx ruficollis, is a small swallow. It was first formally described as Hirundo ruficollis by French
ornithologist Louis Vieillot
in 1817 in his Nouveau Dictionnaire d'Histoire Naturelle.
It occurs in Central
and South America
from Honduras
south to northern Argentina
and Uruguay
. It also occurs on Trinidad
. Southern birds of the nominate race S. r. ruficollis, are migratory
, moving north in winter, but the northern S. r. aequalis is sedentary.
The adult is 13.5 cm in length and weighs 15 g. It is brown above, with blackish wings and tail and a pale grey rump. The throat and upper breast are rufous with the lower underparts yellowish-white. The tail is slightly forked. It is similar in appearance to its northern counterpart, the Northern Rough-winged Swallow
but is more uniform in colour, particularly on the rump.
It is found in open areas and forest
clearings. It nests in grass-lined cavities of various types, including holes in banks or walls, or disused kingfisher
and jacamar
nests
. It does not form colonies
. The clutch is 3-6 white eggs
, incubated by the female for 16–18 days and with another 13 days to fledging.
Southern Rough-winged Swallow forages for insect
s in flight, usually flying low with a slow deliberate flight. The call is an unmusical chirrup.
"Rough-winged" refers to the serrated edge of the outer primary feathers on the wing of this bird; this feature would only be apparent when holding this bird.
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
ornithologist Louis Vieillot
Louis Jean Pierre Vieillot
Louis Jean Pierre Vieillot was a French ornithologist.Vieillot described a large number of birds for the first time, especially those he encountered during the time he spent in the West Indies and North America, and 26 genera established by him are still in use...
in 1817 in his Nouveau Dictionnaire d'Histoire Naturelle.
It occurs in Central
Central America
Central America is the central geographic region of the Americas. It is the southernmost, isthmian portion of the North American continent, which connects with South America on the southeast. When considered part of the unified continental model, it is considered a subcontinent...
and South America
South America
South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...
from Honduras
Honduras
Honduras is a republic in Central America. It was previously known as Spanish Honduras to differentiate it from British Honduras, which became the modern-day state of Belize...
south to northern Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...
and Uruguay
Uruguay
Uruguay ,officially the Oriental Republic of Uruguay,sometimes the Eastern Republic of Uruguay; ) is a country in the southeastern part of South America. It is home to some 3.5 million people, of whom 1.8 million live in the capital Montevideo and its metropolitan area...
. It also occurs on Trinidad
Trinidad
Trinidad is the larger and more populous of the two major islands and numerous landforms which make up the island nation of Trinidad and Tobago. It is the southernmost island in the Caribbean and lies just off the northeastern coast of Venezuela. With an area of it is also the fifth largest in...
. Southern birds of the nominate race S. r. ruficollis, are migratory
Bird migration
Bird migration is the regular seasonal journey undertaken by many species of birds. Bird movements include those made in response to changes in food availability, habitat or weather. Sometimes, journeys are not termed "true migration" because they are irregular or in only one direction...
, moving north in winter, but the northern S. r. aequalis is sedentary.
The adult is 13.5 cm in length and weighs 15 g. It is brown above, with blackish wings and tail and a pale grey rump. The throat and upper breast are rufous with the lower underparts yellowish-white. The tail is slightly forked. It is similar in appearance to its northern counterpart, the Northern Rough-winged Swallow
Northern Rough-winged Swallow
The Northern Rough-winged Swallow is a small swallow.Adults are 13–15 cm in length, brown on top with light underparts and a forked tail. They are similar in appearance to the Bank Swallow but have a dusky throat and breast...
but is more uniform in colour, particularly on the rump.
It is found in open areas and forest
Forest
A forest, also referred to as a wood or the woods, is an area with a high density of trees. As with cities, depending where you are in the world, what is considered a forest may vary significantly in size and have various classification according to how and what of the forest is composed...
clearings. It nests in grass-lined cavities of various types, including holes in banks or walls, or disused kingfisher
Kingfisher
Kingfishers are a group of small to medium sized brightly coloured birds in the order Coraciiformes. They have a cosmopolitan distribution, with most species being found in the Old World and Australia...
and jacamar
Jacamar
The jacamars are a family, Galbulidae, of near passerine birds from tropical South and Central America, extending up to Mexico. The order contains five genera and 18 species...
nests
Bird nest
A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American Robin or Eurasian Blackbird, or the elaborately woven hanging nest of the...
. It does not form colonies
Bird colony
A bird colony is a large congregation of individuals of one or more species of bird that nest or roost in close proximity at a particular location. Many kinds of birds are known to congregate in groups of varying size; a congregation of nesting birds is called a breeding colony...
. The clutch is 3-6 white eggs
Bird egg
Bird eggs are laid by females and incubated for a time that varies according to the species; a single young hatches from each egg. Average clutch sizes range from one to about 17...
, incubated by the female for 16–18 days and with another 13 days to fledging.
Southern Rough-winged Swallow forages for insect
Insect
Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...
s in flight, usually flying low with a slow deliberate flight. The call is an unmusical chirrup.
"Rough-winged" refers to the serrated edge of the outer primary feathers on the wing of this bird; this feature would only be apparent when holding this bird.
External links
- Southern Rough-winged Swallow videos on the Internet Bird Collection
- Southern Rough-winged Swallow photo gallery VIREO Photo-High Res