Turkey Vulture also known as Cathertes aura are large sized Vultures found across North America. They are also known by other names as the turkey buzzard, John crow or carrion crow. They belong to scavenger breeds. they weigh between 0.8 to 2.3 g and grow up to 32 inches in size. They have a life expectancy of 16 years. They are known to be carnivorous often feeding on remains of animals and other species. The two groups strongly resemble each other because of convergent evolution; natural selection often leads to similar body plans in animals that adapt independently to the same conditions.