The taxonomy of the New World Vultures, Catharidae, has been in dispute for a very long time. One thing that is not in dispute is that they are only distantly related to the Old World Vultures. The superficial resemblence is a result of convergent evolution. Both families filling the ecological role of avian scavenger. In some taxonomic systems the New World Vultures are placed in the order Cicconiformes which are the storks. However the DNA testing which factored in this placement are in dispute. There are seven species in this family
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Andean Condor
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King Vulture
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Black Vulture
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Turkey Vulture