africa africanwilddog animal animals behavior canisaureus china congresses conservation coyote crocodiles dogs east eastern ecology effectofhumanbeingson foxes giantpanda graywolf grizzlybear human-animalrelationships identification leopard mammals northamerica phantomcats predation(biology) predatoryanimals puma ql737c214g531985 ql737c22b381994 ql737c22w8691982 rockymountains socialbehavior socialbehaviorinanimals spottedhyena toppredators wild wildlifeconservation wildlifemanagement wolongshi wolves yellowstonenationalpark zoology