Estimates suggest that black vulture depredation results in the losses of thousands to tens of thousands of cattle in the US annually. Historically, black vultures were endemic to the southeastern ...

A turkey vulture standing on the ground can ... The zone-tailed hawk and golden eagle will mimic the wing dihedral when hunting, and dark-morph Swainson’s hawks and rough-legged hawks also ...

Thus, in the 1970s, biologists from the Frankfurt Zoological Society and elsewhere decided to try to reestablish a bearded vulture population in the Alps by introducing captive-bred birds into the ...