Lycaon pictus African Wild Dog African-hunting-dog Cape-hunting-dog painted-dog painted-wolf painted-hunting-dog spotted-dog Canidae AWDO LYCPIC Mammal Adult singing howling social pack threatened rare behavior Close-up savanna Africa Moremi Botswana March safari carnivore predator hunt hunting walking walk run running trail track game reserve dangerous ears canine grass black ferocious ear big water green waterhole