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Vultures biography, Vultures discography
It includes five vultures and two condors.Excluding Cathartes, all genera are monotypic.New World vultures are not closely genetically related to the superficially similar family of Old World vultures, the similarities between the two groups of vultures being due to convergent evolution.Vultures are scavenging birds, feeding mostly from carcasses of dead animals.New World vultures have a good sense of smell, but Old World vultures find carcasses exclusively by sight.New World vulture biology
1.New World vultures and humans
2.The New World vultures comprise seven species in five genera.Of these, only Cathartes is not monotypic.Rather, they resemble Old World vultures because of convergent evolution.New World vultures were traditionally placed in a family of their own in the Falconiformes.Consequently, there is a recent trend to raise the New World vultures to the rank of an independent order Cathartiformes not closely associated with either birds of prey or storks or herons.The name Cathartidae comes from cathartes, Greek for "purifier".All species have featherless heads and necks.In some, this skin is brightly colored, and in the King Vulture it is developed into colorful wattles and outgrowths.They are the best adapted to soaring of all land birds.The feet are clawed but weak and not adapted to grasping.The eyes are prominent, and unlike those of eagles, hawks and falcons, they are not shaded by a bony brow bone.Members of Coragyps and Cathartes have a single incomplete row of eyelashes on the upper lid and two rows on the lower lid, while Gymnogyps, Vultur, and Sarcoramphus lack eyelashes altogether.New World vultures have the unusual habit of urohydrosis, or defecating on their legs to cool them evaporatively.All living species of New World vultures and condors are scavengers.Though their diet is overwhelmingly composed of carrion, some species such as the American Black Vulture have been recorded as killing live prey.Other additions to the diet include fruit, eggs, and garbage.An unusual characteristic of the species in genus Cathartes is a highly developed sense of smell, which they use to find carrion.The olfactory lobe of the brains in these species, which is responsible for processing smells, is particularly large compared to that of other animals.Other species such as the American Black Vulture and the King Vulture have weak senses of smell and find food only by sight, sometimes by following Cathartes vultures and other scavengers.The head and neck of New World Vultures are featherless as an adaptation for hygiene; this lack of feathers prevents bacteria from the carrion it eats from ruining its feathers and exposes the skin to the sterilizing effects of the sun.Reproduction
New World vultures and condors do not build nests.Instead, they lay eggs on bare surfaces.Chicks are naked at hatching and later grow down.The parents feed the young by regurgitation.The young are altricial and fledge in 2 to 3 months.It is sometimes portrayed as a god with a human body and a bird head.According to Mayan mythology, this god often carried messages between humans and the other gods.It is also used to represent Cozcaquauhtli, the thirteenth day of the month in the Mayan calendar.This species lacks the religious connections that the King Vulture has.Threats and conservation
The California Condor is critically endangered.This means that populations appear to remain stable, and they have not reached the threshold of inclusion as a threatened species, which requires a decline of more than 30 percent in ten years or three generations.Europe and possibly even evolved there.The Incredible Teratorn is sometimes called "Giant Condor" because it must have looked similar to the modern bird.They were, however, not very closely related but rather an example of parallel evolution, and the external similarity is less emphasized in recent times due to new information suggesting that the teratorns were more predatory than vultures.Many taxa that may or may not have been New World vultures were considered to be early representatives of the family.Pleistocene, rivalling the current diversity of Old World vultures and their relatives in shapes, sizes, and ecological niches.There is also a number of extinct congeners of the extant species; see the respective genus accounts.European genus from the Earliest Neogene that possibly belongs to the New World vultures is Plesiocathartes.The Concise Oxford Dictionary of Zoology.DNA sequence support for a close phylogenetic relationship between some storks and New World vultures.International Union for Conservation of Nature and Natural Resources.IUCN Red List of Threatened Species.Retrieved on 23 September 2007.IUCN Red List of Threatened Species.Retrieved on 4 September 2006.Karyological heterogeneity in the Falconiformes (Aves).Phylogenetic relationships among modern birds (Neornithes): toward an avian tree of life.PDF preprint Electronic Supplementary Material
Feduccia, J.Kemp, Alan, and Ian Newton (2003): New World Vultures.The Firefly Encyclopedia of Birds.Apollo Press ISBN 8788757161
Ligon, J.Relationships of the cathartid vultures.Distribution and Taxonomy of the Birds of the World.Phylogeny and Classification of Birds: A Study in Molecular Evolution.The Audubon Society Encyclopedia of North American Birds.Phylogeny of Old and New World vultures (Aves: Accipitridae and Cathartidae) inferred from nucleotide sequences of the mitochondrial cytochrome b gene.All text is available under the terms of the GNU Free Documentation License.The page you are trying to access does not exist.Please select a page from the main menu.Their long, broad wings are efficient for long distance soaring.Griffon Vultures
Griffon Vultures and Wolf
Griffon Vultures and Wolf
Griffon Vultures
Griffon Vultures and Wolves
Griffon Vultures and Wolf
Griffon Vultures and Wolf
Griffon Vultures and Wolf
Griffon Vultures
Griffon Vultures
Griffon Vultures
Griffon Vultures
Griffon Vultures and Wolf
Griffon Vultures
Griffon Vultures
Griffon Vultures
Griffon Vulture
Griffon Vulture
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