Sabtu, 15 Desember 2012

Andean Condor


The Biggest Animals Kingdom and in The World | Andean Condor | Despite being on average 7.8 cm shorter from beak to tail of the California Condor, the Andean condor is larger, 270-320 cm (8 feet 10 to 10 feet and 6 inches). The total length of 100-130 cm (3 feet 3 inches to 4 feet 3 inches). The average weight is 11.3 kg (25 pounds) and is only exceeded by the Dalmatian pelican and the greatest weight of a flying bird and puts the species as the largest bird flies land on average when measured in weight and size (although males can weigh more bustards). Among the bird species, only the great albatrosses and the two main species of pelican exceed the Condor of the Andes in size medium and maximum.

The head and neck are red to dark red and has some feathers. The head and neck are meticulously clean the bird, and baldness is adapted to hygiene, which allows the skin is exposed to the effects of sterilizing ultraviolet light and dehydration at high altitudes. The crown of the head is flattened. Young people have a gray-brown head, dark and neck skin, and a brown necklace. The beak is hooked, and adapted to tear rotting meat. The iris of males are brown, while females are dark red Contrary to the rule of sexual dimorphism in birds of prey, the female is smaller than the male The Andean Condor is found in South America, the Andes, the mountains of Santa Marta. In the north, its range begins in Venezuela and Colombia, which is rare, and then continues south along the Andes in Ecuador, Peru and Chile, Bolivia and Argentina, west of Tierra del Fuego .

During courtship, the male neck skin waves, from dark red to bright yellow, and inflated. He approaches the woman with stiff neck, revealing a swelling in the neck and chest patch, while hissing, and then spreads her wings, and is erect while clicking his tongue. Other mating rituals whistles and cackles while hopping with wings partially spread and dancing. The Andean condor prefers to nest and breed at altitudes 3000-5000 m (9800-16000 ft). The nest, which consists of a pair of poles arranged around the egg is created in the rock edges inaccessible. The egg, after 54-58 days of incubation by both parents. If the chicken or the egg is lost or removed, another egg is laid to take its place.

Healthy adults have no natural predators, but large raptors and predatory mammals like foxes, may take eggs or young. Predation is relatively rare, since parents often aggressively vigilant raptors displaced arriving near the site and rocky, most nests are steep inaccessible mammals. There is a well-developed social structure within large groups of condors, with competition to determine a "hierarchy" of body language, competitive play behavior, and vocalizations. In general, men tend to ripen the top of the hierarchy, with men immature post-dispersal tend to be near the bottom The Andean Condor is considered near threatened by the IUCN. Reintroduction programs using captive-bred Andean Condors, which release birds born in U.S. zoos in nature to increase the population have been introduced in Argentina, Venezuela and Colombia. The first captive-bred condors have been released in 1989. During lifting, condors, human contact is minimal, the chicks are fed with puppets that resemble adult condors in order to prevent the puppies brand in humans that endanger after release, as would be the man attentive.

In response to the capture of all individuals wild California Condor, in 1988, the U.S. Fish and Wildlife Service began a reintroduction experiment involving the release of captive condors in the wild in California. Only females were released to eliminate the possibility of error by introducing a kind of South America, in the United States. The experiment was a success, and all the Andean condor were recovered and re-released in South America prior to the reintroduction of the California condor was conducted
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