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Ovenbird
The ovenbird (Seiurus aurocapilla) is a small songbird of the New World warbler family Parulidae. It is the only species placed in the genus Seiurus. This migratory bird breeds in eastern North America and winters in Central America, many Caribbean islands, Florida and northern Venezuela.
The ovenbird was formally described in 1766 by the Swedish naturalist Carl Linnaeus in the twelfth edition of his Systema Naturae under the binomial name Motacilla aurocapilla. The specific epithet combines Latin aurum meaning "gold" with -capillus meaning "-crowned". Linnaeus based his entry on "The golden-crowned thrush" that had been described and illustrated in 1758 by the English naturalist George Edwards in his book Gleanings of Natural History. Edwards had been given a specimen that had been collected on a ship off the coast of Hispanola. The ovenbird is now the only species placed in the genus Seiurus that was introduced by English zoologist William Swainson in 1827. Swainson did not specify the type species until a later publication in the same year. The genus name is from Ancient Greek σειουρος/seiouros meaning "wag-tail".
Three subspecies are recognised:
The ovenbird it is genetically distinct and occupies a basal in the family Parulidae. Before the genetic studies, the waterthrushes were also included in Seiurus but are now placed in a separate genus Parkesia as they are not closely related to the ovenbird.
Ovenbirds are large wood warblers and may sometimes be confused by the untrained for a thrush. Adults measure 11–16 cm (4.3–6.3 in) long and span 19–26 cm (7.5–10.2 in) across the wings. They weigh 19 g (0.67 oz) on average, with a range of 14–28.8 g (0.49–1.02 oz). Among standard measurements, the wing chord is 6.8 to 8.3 cm (2.7 to 3.3 in), the tail is 5 to 5.8 cm (2.0 to 2.3 in), the bill is 1.1 to 1.3 cm (0.43 to 0.51 in) and the tarsus is 2 to 2.3 cm (0.79 to 0.91 in). They tend to be heavier in winter and particularly at the start of their migration. They have olive-brown upperparts and white underparts heavily streaked with black; the flanks have an olive hue. A white ring surrounds the eyes, and a black stripe runs below the cheek. They have a line of orange feathers with olive-green tips running along the top of their head, bordered on each side with blackish-brown. The orange feathers can be erected to form a small crest. The eyes and the upper part of the thin pointed beak are dark, while the lower beak is horn-colored and the legs and feet are pinkish.
Males and females look alike. Immature birds have tawny fringes to the tertiary remiges and sometimes buff-tipped outer primary wing coverts. Most conspicuously, the olive-green tips of the crown feathers, which are hardly visible in adult birds, are far larger in extent in immatures and cover the orange crown-stripe almost or completely.
The main song of the ovenbird is a series of strident, relatively low-pitched, bisyallabic motives repeated without pause about eight times and increasing in volume. Usually, the second syllable in each motive is sharply accented: "chur-tee' chur-tee' chur-tee' chur-tee' chur-TEE chur-TEE chur-TEE!" Male ovenbirds utter a sweet chattering song in the air at twilight, after the manner of the skylark, incorporating portions of the main song into a jumble of sputtering notes and mimicry as they dive back to earth. The call Archived 2010-06-08 at the Wayback Machine is a variably pitched, sharp "chik!" Some variations recall the common call note of a downy woodpecker. If the bird is excited, it may repeat this call several times. The fight call is a high, rising siiii.
Their breeding habitats are mature deciduous and mixed forests, especially sites with little undergrowth, across Canada and the eastern United States. For foraging, it prefers woodland with abundant undergrowth of shrubs; essentially, it thrives best in a mix of primary and secondary forest. Ovenbirds migrate to the southeastern United States, the Caribbean, and from Mexico to northern South America. The birds are territorial all year round, occurring either singly or (in the breeding season) as mated pairs, for a short time accompanied by their young. During migration, they tend to travel in larger groups however, dispersing again once they reach their destination.
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Ovenbird
The ovenbird (Seiurus aurocapilla) is a small songbird of the New World warbler family Parulidae. It is the only species placed in the genus Seiurus. This migratory bird breeds in eastern North America and winters in Central America, many Caribbean islands, Florida and northern Venezuela.
The ovenbird was formally described in 1766 by the Swedish naturalist Carl Linnaeus in the twelfth edition of his Systema Naturae under the binomial name Motacilla aurocapilla. The specific epithet combines Latin aurum meaning "gold" with -capillus meaning "-crowned". Linnaeus based his entry on "The golden-crowned thrush" that had been described and illustrated in 1758 by the English naturalist George Edwards in his book Gleanings of Natural History. Edwards had been given a specimen that had been collected on a ship off the coast of Hispanola. The ovenbird is now the only species placed in the genus Seiurus that was introduced by English zoologist William Swainson in 1827. Swainson did not specify the type species until a later publication in the same year. The genus name is from Ancient Greek σειουρος/seiouros meaning "wag-tail".
Three subspecies are recognised:
The ovenbird it is genetically distinct and occupies a basal in the family Parulidae. Before the genetic studies, the waterthrushes were also included in Seiurus but are now placed in a separate genus Parkesia as they are not closely related to the ovenbird.
Ovenbirds are large wood warblers and may sometimes be confused by the untrained for a thrush. Adults measure 11–16 cm (4.3–6.3 in) long and span 19–26 cm (7.5–10.2 in) across the wings. They weigh 19 g (0.67 oz) on average, with a range of 14–28.8 g (0.49–1.02 oz). Among standard measurements, the wing chord is 6.8 to 8.3 cm (2.7 to 3.3 in), the tail is 5 to 5.8 cm (2.0 to 2.3 in), the bill is 1.1 to 1.3 cm (0.43 to 0.51 in) and the tarsus is 2 to 2.3 cm (0.79 to 0.91 in). They tend to be heavier in winter and particularly at the start of their migration. They have olive-brown upperparts and white underparts heavily streaked with black; the flanks have an olive hue. A white ring surrounds the eyes, and a black stripe runs below the cheek. They have a line of orange feathers with olive-green tips running along the top of their head, bordered on each side with blackish-brown. The orange feathers can be erected to form a small crest. The eyes and the upper part of the thin pointed beak are dark, while the lower beak is horn-colored and the legs and feet are pinkish.
Males and females look alike. Immature birds have tawny fringes to the tertiary remiges and sometimes buff-tipped outer primary wing coverts. Most conspicuously, the olive-green tips of the crown feathers, which are hardly visible in adult birds, are far larger in extent in immatures and cover the orange crown-stripe almost or completely.
The main song of the ovenbird is a series of strident, relatively low-pitched, bisyallabic motives repeated without pause about eight times and increasing in volume. Usually, the second syllable in each motive is sharply accented: "chur-tee' chur-tee' chur-tee' chur-tee' chur-TEE chur-TEE chur-TEE!" Male ovenbirds utter a sweet chattering song in the air at twilight, after the manner of the skylark, incorporating portions of the main song into a jumble of sputtering notes and mimicry as they dive back to earth. The call Archived 2010-06-08 at the Wayback Machine is a variably pitched, sharp "chik!" Some variations recall the common call note of a downy woodpecker. If the bird is excited, it may repeat this call several times. The fight call is a high, rising siiii.
Their breeding habitats are mature deciduous and mixed forests, especially sites with little undergrowth, across Canada and the eastern United States. For foraging, it prefers woodland with abundant undergrowth of shrubs; essentially, it thrives best in a mix of primary and secondary forest. Ovenbirds migrate to the southeastern United States, the Caribbean, and from Mexico to northern South America. The birds are territorial all year round, occurring either singly or (in the breeding season) as mated pairs, for a short time accompanied by their young. During migration, they tend to travel in larger groups however, dispersing again once they reach their destination.
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