group of black vultures resting on a dead tree trunk on the bank of the grand river below the pensacola dam.

group four black vultures resting dead tree trunk bank grand river pensacola dam lake cherokees oklahoma vulture scientific name coragyps atratus american mexican zopilote urubu gallinazo plumage featherless grayish-black head neck short hooked beak vulture scavenger feeds carrion eat eggs small reptiles newborn animals