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Concept
New World vulture
Summary
The New World vulture or condor family, Cathartidae, contains seven extant species in five genera. It includes five extant vultures and two extant condors found in warm and temperate areas of the Americas. The "New World" vultures were widespread in both the Old World and North America during the Neogene.
Old World vultures and New World vultures do not form a single clade, but the two groups are similar in appearance due to convergent evolution.
Vultures are scavenging birds, feeding mostly from carcasses of dead animals without apparent ill effects. Bacteria in the food source, pathogenic to other vertebrates, dominate the vulture's gut flora, and vultures benefit from the bacterial breakdown of carrion tissue. Some species of New World vulture have a good sense of smell, whereas Old World vultures find carcasses exclusively by sight. A particular characteristic of many vultures is a bald head, devoid of feathers.
The family Cathartidae was introduced (as the subfamily Cathartinae) by the French ornithologist Frédéric de Lafresnaye in 1839. The New World vultures comprise seven species in five genera. The genera are Coragyps, Cathartes, Gymnogyps, Sarcoramphus, and Vultur. Of these, only Cathartes is not monotypic. The family's scientific name, Cathartidae, comes from cathartes, Greek for "purifier". Although New World vultures have many resemblances to Old World vultures they are not very closely related. Rather, they resemble Old World vultures because of convergent evolution. Phylogenetic analyses including all Cathartidae species found two primary clades: (1) black vulture (Coragyps atratus) together with the three Cathartes species (lesser C. burrovianus and greater C. melambrotus yellow-headed vultures, and turkey vulture C. aura), and (2) king vulture (Sarcoramphus papa), California (Gymnogyps californianus) and Andean (Vultur gryphus) condors.
New World vultures were traditionally placed in a family of their own in the Falconiformes.
Official source
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