Great Horned Owl, Calgary Zoo Oct.31

Great Grey Owl, Calgary Zoo Oct.31

Grey Wolf, Calgary Zoo Oct.31

Grey Wolf, Calgary Zoo Oct.31

Black Tailed Prairie Dog, Calgary Zoo Oct.31

Grizzly Bear, Calgary Zoo Oct.31

Black Bear, Calgary Zoo Oct.31

Western Lowland Gorilla, Calgary Zoo Oct.31

Western Lowland Gorilla, Calgary Zoo Oct.31

Western Lowland Gorilla, Calgary Zoo Oct.31