limpkin

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limpkin

or

courlan

(ko͝or`lən), common terms for a long-legged, nonmigratory marsh bird, considered the connecting evolutionary link between the crane and the rail. They have a cranelike skeletal structure, but their digestive system, as well as their nesting habits and behavior, is raillike. There is only one species, Aramus quarauna, which is divided into 5 subspecies, some found exclusively in South America and the others found from South Carolina and Florida to Argentina. Limpkins are large (28 in./70 cm) grayish-brown birds that feed on freshwater snails and mollusks. Their name derives from their limping flight, with legs dangling and wingbeats jerky; although weak and infrequent fliers they are good swimmers. Limpkins roost in trees and nest in marsh grass or low bushes. They lay four to eight eggs per clutch with both male and female incubating the young. They are noisy birds; their sad call gives them the name "crying bird." Because limpkins were considered good food birds, they were almost wiped out in Florida and Georgia. Today, they are protected and are regaining their former abundance. Limpkins are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Aves, order Gruiformes, family Aramidae.
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References in periodicals archive ?
Shale-Oil Resources of Some World Oil-Shale Deposits Country, region, Age In-place shale oil and deposit resources, x [10.sup.6] bbls Argentina 400 Armenia Aramus T 305 Australia New South Wales Pm 40 Queensland Alpha Pm 80 Byfield T 249 Condor T 9700 Duaringa (upper unit) T 4100 Herbert Creek Basin T 1530 Julia Creek K 1700 Lowmead T 740 Mt.
A hectic early pace set by Aramus Smokin Beau certainly helped the favourites cause.
Kelsey Rose, also ridden by Egan, beat only one home in another Listed contest, the 10-runner Sydsvenskan Jagerso Sprint won by Aramus.
Desde el punto de vista ecologico, estos caracoles tienen relevancia como alimento de algunas especies de aves como la garza chocolatera Aramus guarauna y el gavilan caracolero Rostrhamus sociabilis (Reed & Jansen, 1999).
Habitat structure effects on size selection of snail kites (Rostrhamus sociabilis) and limpkins (Aramus guarauna) when feeding on apple snails (Pomacea spp.).
The severity of his punishment is in sharp contrast to that imposed on David Sanchez who, after partnering the Swedish-trained Aramus in the Palace House Stakes at Newmarket this month, got a two-day suspension for using his whip with excessive frequency and out of stride pattern.
The British speedster was beaten four lengths as El Gran Lode inched out Aramus in a thrilling finale to the Taby feature in Sweden.
Trailblazer Smokin Beau, caught on the line for second place, was only a short head behind, followed by Swedish challenger Aramus, who did his connections proud.
The changes described, together with the characteristics of the area [e.g., absence of natural predators birds such as Rostrhamus sociabilis (Vieillot, 1817) and Aramus guarauna (Linnaeus, 1766), according to Thiollay, (1994) and Thomas (1996)] suggest that this species has a high probability of becoming established in northern Patagonia.