Red-legged seriema
| Red-legged seriema | |
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| File:Cariama cristata -near Goiania, Goias, Brazil-8.jpg | |
| Near Goiânia in central Brazil | |
| Scientific classification | |
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Cariama
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| Species: |
C. cristata
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The red-legged seriema or crested cariama (Cariama cristata) is a mostly predatory terrestrial bird in the seriema family (Cariamidae), included in the "Gruiformes" in the old paraphyletic circumscription, but increasingly placed in a distinct order Cariamiformes (along with three extinct families). The red-legged seriema inhabits grasslands from Brazil south of the Amazon to Uruguay and northern Argentina. The area over which it occurs is estimated at 5.9 million km², though the bird is not found everywhere in this region of course. The species is absent from the Mata Atlântica and planalto uplands along the coast of Brazil.[1]
Description
It is 75 to 90 cm (30 to 36 in) long and weighs about 1.5 kg, with a fairly long neck, tail, and legs. The plumage is medium brown above with black markings; pale brown on the head, neck, and breast; and white on the belly. The tail has a black band near the tip and a white tip. The beak and legs are red, and the eyes are yellow. Soft feathers emerge from the base of the bill to form a fan-shaped crest.[2]
Many other characteristics are shared with the black-legged seriema (Chunga burmeisteri), the only other living member of its family. Some of these traits are discussed in the Cariamidae article.
The song has a quality described as "a cross between 'the serrated bark of a young dog and the clucking of turkeys'".[3] At the loudest part of the song, the bird has its neck bent so its head is touching its back. Both members of a pair as well as young down to the age of two weeks sing; often one member of a family starts a song just as another finishes, or two sing simultaneously. The song can be heard several kilometres away; in Emas National Park, Brazil, in 1981–1982, observers often heard four red-legged seriemas or groups singing at once.[4]
The full song consists of three sections:
- Repeated single notes at constant pitch (1,200 to 1,300 Hz) and duration but increasing tempo
- Repeated two- or three-note subphrases of slightly higher pitch with increasing tempo
- Subphrases of up to 10 notes, shorter ones rising in pitch and longer ones falling, two-subphrase combinations increasing in number of notes and tempo and then decreasing in tempo.
Ecology
The red-legged seriema prefers grassland habitat to any other. Though it likes to inhabit lush meadows near rivers, it will not readily move into wetlands or crop fields.[5] It is usually seen singly or in pairs, but sometimes in groups up to four, apparently families. It typically walks on the ground and can easily run faster than a human in its habitat. It will flee a car on foot at speeds up to 25 km/h (15 mi/hr) before flying.[4]
In one conflict between two birds, they jumped at each other feet-first, keeping their balance by flapping.[4]
This species nests on the ground[2] or in a bush or tree up to 3 m above the ground. In the latter case adults jump into the nest rather than fly.[4]
Gallery
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Seriamanail (high res).jpg
The sickle claw of a red-legged seriema, used in fighting
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Cariama cristataPCCA20051227-2025A.jpg
Jacksonville Zoo, Florida
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Red-legged Seriema RWD1.jpg
Jacksonville Zoo, Florida
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Cariama cristata (Rotfußseriema - Red-legged Seriema) - Weltvogelpark Walsrode 2013-02.jpg
Weltvogelpark Walsrode, Germany
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Cariama cristata (Rotfußseriema - Red-legged Seriema) - Weltvogelpark Walsrode 2013-03.jpg
Front view of the head
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Cariama cristata at Parque das Aves (Foz do Iguaçu)-1.jpg
Screaming Cariama cristata at Parque das Aves (Foz do Iguaçu)
_head.JPG)
References
- ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Holyoak, David T. & Heinsohn, Robert (2003): Seriemas. In: Perrins, Christopher (ed.): Firefly Encyclopedia of Birds: 222. Firefly Books. ISBN 1-55297-777-3
- ↑ H. Burmeister, quoted and translated by Redford & Peters (1986)
- ↑ 4.0 4.1 4.2 4.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Accordi, Iury Almeida & Barcellos, André (2006): Composição da avifauna em oito áreas úmidas da Bacia Hidrográfica do Lago Guaíba, Rio Grande do Sul [Bird composition and conservation in eight wetlands of the hidrographic basin of Guaíba lake, State of Rio Grande do Sul, Brazil]. Revista Brasileira de Ornitologia 14(2): 101–115 [Portuguese with English abstract]. PDF fulltext
External links
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Wikimedia Commons has media related to Lua error in package.lua at line 80: module 'strict' not found.. |
- Red-legged seriema videos on the Internet Bird Collection
- Stamps (for Uruguay) with RangeMap
- Red-legged Seriema photo gallery
- Photo-High Res; Article geometer–"Brazil Birds"
