These brainy black birds are more than their unmistakable crow call. They've been a synergistic part of humanity's evolution.

The most widespread vulture in North America, the turkey vulture is locally called “buzzard” in many areas. A turkey vulture standing on the ground can, at a distance, resemble a wild turkey.

One of the largest and most striking birds in North America is the wild turkey (Meleagris gallopavo). They were once wiped ...