4 THE AUDUBON BULL ED ES 
vulture’s wing was visible. They were full feathered except for traces of 
down around the bare skin of the neck on July 7, approximately thirteen 
weeks after hatching. As I neared the nest on this date I saw one on 
the ground about ten feet from the tree. It soon became aware of my 
Nestling about eleven weeks old, June 25, 1946 
presence and leaped up to the entrance of the cavity — which on a previous 
visit I had enlarged — and disappeared inside. While the smaller nestling 
was being photographed it escaped and flapped to a dead cedar close hy 
