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These birds are powerful fliers and soar on thermals (columns of rising air) while they look for food, but they cannot sense when an animal is dying.
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This gives vultures a unique and important ecological role because they help prevent the spread of diseases from rotting corpses. They prefer fresh meat but can consume carcasses that may have rotted so much that the meat can be toxic to other animals.
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They do not have songs, and their typical vocalizations are limited to grunts, hisses, bill clacks, and similar sounds that don't require complex vocal cords.