Stelgidopteryx
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Stelgidopteryx
''Stelgidopteryx'' ( Baird, 1858) is a small genus of swallows. It contains two species: Adults of both species are brown on top with lighter underparts and a slightly forked tail. They nest in cavities but do not excavate their holes or form colonies. These birds forage in flight over water or fields, usually flying low. They eat insects. "Rough-winged" refers to the serrated edge feathers Feathers are epidermal growths that form a distinctive outer covering, or plumage, on both avian (bird) and some non-avian dinosaurs and other archosaurs. They are the most complex integumentary structures found in vertebrates and a premier e ... on the wing of this genus; this feature would only be apparent in the hand. References * * * Bird genera * Taxa named by Spencer Fullerton Baird {{Hirundinidae-stub ...
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Stelgidopteryx Serripennis
The northern rough-winged swallow (''Stelgidopteryx serripennis'') is a small, migratory swallow. It is very similar to the southern rough-winged swallow, ''Stelgidopteryx ruficollis''. Taxonomy and etymology The genus name, ''Stelgidopteryx'', is from Ancient Greek and means "scraper wing" and the species name, ''serripennis'', is derived from Latin and means "saw feather". In the common name, "rough-winged" refers to the serrated edge feathers on the wing of this bird; this feature would only be apparent when holding this bird. Subspecies Six subspecies of the northern rough-winged swallow are currently recognized. *''S. s. serripennis'' is the nominate subspecies and can be found to occur in southern Alaska and Canada to the southern United States. They are found to usually winter in southern Florida and from southwestern Mexico to Panama. It was described by Audubon in 1838. *''S. s. psammochroa'' was described by Ludlow Griscom in 1929. It breeds in the southwestern US a ...
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Northern Rough-winged Swallow
The northern rough-winged swallow (''Stelgidopteryx serripennis'') is a small, migratory swallow. It is very similar to the southern rough-winged swallow, ''Stelgidopteryx ruficollis''. Taxonomy and etymology The genus name, ''Stelgidopteryx'', is from Ancient Greek and means "scraper wing" and the species name, ''serripennis'', is derived from Latin and means "saw feather". In the common name, "rough-winged" refers to the serrated edge feathers on the wing of this bird; this feature would only be apparent when holding this bird. Subspecies Six subspecies of the northern rough-winged swallow are currently recognized. *''S. s. serripennis'' is the nominate subspecies and can be found to occur in southern Alaska and Canada to the southern United States. They are found to usually winter in southern Florida and from southwestern Mexico to Panama. It was described by Audubon in 1838. *''S. s. psammochroa'' was described by Ludlow Griscom in 1929. It breeds in the southwestern US a ...
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Southern Rough-winged Swallow
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''. Morphology The adult is in length and weighs . 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 color, particularly on the rump. "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. Distribution 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 migra ...
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Southern Rough-winged Swallow (Stelgidopteryx Ruficollis Ruficollis)
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''. Morphology The adult is in length and weighs . 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 color, particularly on the rump. "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. Distribution 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 migra ...
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Stelgidopteryx
''Stelgidopteryx'' ( Baird, 1858) is a small genus of swallows. It contains two species: Adults of both species are brown on top with lighter underparts and a slightly forked tail. They nest in cavities but do not excavate their holes or form colonies. These birds forage in flight over water or fields, usually flying low. They eat insects. "Rough-winged" refers to the serrated edge feathers Feathers are epidermal growths that form a distinctive outer covering, or plumage, on both avian (bird) and some non-avian dinosaurs and other archosaurs. They are the most complex integumentary structures found in vertebrates and a premier e ... on the wing of this genus; this feature would only be apparent in the hand. References * * * Bird genera * Taxa named by Spencer Fullerton Baird {{Hirundinidae-stub ...
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Ridgway's Rough-winged Swallow
Ridgway's rough-winged swallow (''Stelgidopteryx serripennis ridgwayi'') is a bird in the family Hirundinidae. It is found in Belize, Guatemala, and Mexico. Most taxonomic authorities consider it to be a subspecies of the northern rough-winged swallow. Its common name and Latin binomial commemorate American ornithologist Robert Ridgway Robert Ridgway (July 2, 1850 – March 25, 1929) was an American ornithologist specializing in systematics. He was appointed in 1880 by Spencer Fullerton Baird, secretary of the Smithsonian Institution, to be the first full-time curator of bi .... References * BirdLife International 2004.Stelgidopteryx ridgwayi 2006 IUCN Red List of Threatened Species. Downloaded on 27 July 2007. Ridgway's rough-winged swallow Birds of Belize Birds of Guatemala Ridgway's rough-winged swallow Taxonomy articles created by Polbot Subspecies {{Hirundinidae-stub ...
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Hirundinidae
The swallows, martins, and saw-wings, or Hirundinidae, are a family of passerine songbirds found around the world on all continents, including occasionally in Antarctica. Highly adapted to aerial feeding, they have a distinctive appearance. The term "swallow" is used colloquially in Europe as a synonym for the barn swallow. Around 90 species of Hirundinidae are known, divided into 19 genera, with the greatest diversity found in Africa, which is also thought to be where they evolved as hole-nesters. They also occur on a number of oceanic islands. A number of European and North American species are long-distance migrants; by contrast, the West and South African swallows are nonmigratory. This family comprises two subfamilies: Pseudochelidoninae (the river martins of the genus ''Pseudochelidon'') and Hirundininae (all other swallows, martins, and saw-wings). In the Old World, the name "martin" tends to be used for the squarer-tailed species, and the name "swallow" for the more for ...
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Bird Colony
A bird colony is a large congregation of individuals of one or more species of bird that nest or roost in 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. Colonial nesting birds include seabirds such as auks and albatrosses; wetland species such as herons; and a few passerines such as weaverbirds, certain blackbirds, and some swallows. A group of birds congregating for rest is called a communal roost. Evidence of colonial nesting has been found in non- neornithine birds ( Enantiornithes), in sediments from the Late Cretaceous (Maastrichtian) of Romania. Variations on colonial nesting in birds Approximately 13% of all bird species nest colonially. Nesting colonies are very common among seabirds on cliffs and islands. Nearly 95% of seabirds are colonial, leading to the usage, seabird colony, sometimes called a rookery. Many species of terns nest in colonie ...
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Bird Genera
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. Birds live worldwide and range in size from the bee hummingbird to the ostrich. There are about ten thousand living species, more than half of which are passerine, or "perching" birds. Birds have whose development varies according to species; the only known groups without wings are the extinct moa and elephant birds. Wings, which are modified forelimbs, gave birds the ability to fly, although further evolution has led to the loss of flight in some birds, including ratites, penguins, and diverse endemic island species. The digestive and respiratory systems of birds are also uniquely adapted for flight. Some bird species of aquatic environments, particularly seabirds and some waterbirds, have further evolved for swimming. Bi ...
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Feathers
Feathers are epidermal growths that form a distinctive outer covering, or plumage, on both avian (bird) and some non-avian dinosaurs and other archosaurs. They are the most complex integumentary structures found in vertebrates and a premier example of a complex evolutionary novelty. They are among the characteristics that distinguish the extant birds from other living groups. Although feathers cover most of the bird's body, they arise only from certain well-defined tracts on the skin. They aid in flight, thermal insulation, and waterproofing. In addition, coloration helps in communication and protection. Plumology (or plumage science) is the name for the science that is associated with the study of feathers. Feathers have a number of utilitarian, cultural, and religious uses. Feathers are both soft and excellent at trapping heat; thus, they are sometimes used in high-class bedding, especially pillows, blankets, and mattresses. They are also used as filling for winter clothin ...
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Insect
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Their blood is not totally contained in vessels; some circulates in an open cavity known as the haemocoel. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms. The total number of extant species is estimated at between six and ten million; In: potentially over 90% of the animal life forms on Earth are insects. Insects may be found in nearly all environments, although only a small number of species reside in the oceans, which are dominated by another arthropod group, crustaceans, which recent research has indicated insects are nested within. Nearly all insects hatch from eggs. ...
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Spencer Fullerton Baird
Spencer Fullerton Baird (; February 3, 1823 – August 19, 1887) was an American naturalist, ornithologist, ichthyologist, Herpetology, herpetologist, and museum curator. Baird was the first curator to be named at the Smithsonian Institution. He eventually served as assistant Secretary of the Smithsonian from 1850 to 1878, and as Secretary from 1878 until 1887. He was dedicated to expanding the natural history collections of the Smithsonian which he increased from 6,000 specimens in 1850 to over 2 million by the time of his death. He published over 1,000 works during his lifetime. Early life and education Spencer Fullerton Baird was born in Reading, Pennsylvania in 1823. His mother was a member of the prominent Philadelphia Biddle family; he was a nephew of Speaker of the Pennsylvania Senate Charles B. Penrose and a first cousin, once removed, of U.S. Senator Boies Penrose and his distinguished brothers, R. A. F. Penrose Jr., Richard, Spencer Penrose, Spencer, and Charles Bingham ...
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