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The similarities between the two groups of vultures are due to convergent evolution, rather than a close relationship. They were widespread in both the Old World and North America during the Neogene. Old World vultures are probably a polyphyletic group within Accipitridae, belonging to two separate not closely related groups within the family. [2]
Vultures are a result of convergent evolution: both Old World vultures and New World vultures eat carrion, but Old World vultures are in the eagle and hawk family (Accipitridae) and use mainly eyesight for discovering food; the New World vultures are of obscure ancestry, and some use the sense of smell as well as sight in hunting. Birds of both ...
A vulture is a bird of prey that scavenges on carrion.There are 23 extant species of vulture (including condors). [2] Old World vultures include 16 living species native to Europe, Africa, and Asia; New World vultures are restricted to North and South America and consist of seven identified species, all belonging to the Cathartidae family.
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The griffon vulture is 93–122 cm (37–48 in) long with a 2.3–2.8 m (7 ft 7 in – 9 ft 2 in) wingspan. In the nominate race the males weigh 6.2 to 10.5 kg (14 to 23 lb) and females typically weigh 6.5 to 10.5 kg (14 to 23 lb), while in the Indian subspecies (G. f. fulvescens), the vultures average 7.1 kg (16 lb).
Lappet-faced vultures are also sometimes victims of direct persecution, including shooting and the use of strychnine and other poisons. In Namibia, 86 vultures died after eating poisoned cattle carcasses, because the farmers erroneously believed they were killing and eating the cattle. In some cases the poisoning is done by poachers, who fear ...
The Himalayan vulture (Gyps himalayensis) or Himalayan griffon vulture is an Old World vulture native to the Himalayas and foothills in North and Northeastern India, as well as the adjacent Tibetan Plateau. After the cinereous vulture (Aegypius monachus), it is the second-largest Old World vulture species, and among the world's largest true ...
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