In early October, photographer Peter Mather captured a bull caribou with his antlers locked with another, dead bull caribou south of Whitehorse. (Submitted by Peter Mather - image credit)
In early October, photographer Peter Mather captured a bull caribou with his antlers locked with another, dead bull caribou south of Whitehorse. (Submitted by Peter Mather - image credit)

WARNING: This story contains graphic images of wildlife.

Earlier this month, Yukon-based wildlife photographer Peter Mather was on assignment south of Whitehorse to film caribou when he noticed a bear acting unusually aggressive.

"It was huffing and puffing and making noises and we had to scare it off," Mather said.