I spotted some brown hares in a field near Stichill in the Scottish Borders. I saw them running around and standing on their rear legs and getting ready to box.

I was shark diving at the Guadalupe Islands when I had to lean outside of the cage to get this shot of a 15-foot 2,500-pound female great white shark.

A grizzly bear challenged a wolf family over a few remains of an elk carcass in Banff National Park - Canada. This photograph shows a moment of truce between the two main rivals of the battle; the breeding male wolf and the grizzly eye to eye, noses nearly touching.

First snowfall at Bow Lake, Banff National Park - Canada

Buffalo at Old Faithful in Yellowstone

Grand Teton National Park, Wyoming. An autumn snowstorm caused this chipmunk to climb seed stalks to feed.

A cold spell brings frigid temperatures to Dog Mountain in Washington as divinity rays illuminate the mighty Columbia River. The Dog Mountain trail is one of the most scenic trails in the area.

Two Coastal Brown Bear cubs wrestling in Lake Clark National Park, Alaska

As the rising moon lit up the snowy mountain side the auroras danced in the sky above Norway.

Churchill, Canada, Tundra Lodge provided an exceptional opportunity to live among the Polar Bears as they waited for the ice to form on Hudson Bay.

Spillway Lake in Kananaskis Country, Alberta.

Fox Kits, Yellowstone National Park

Bear cubs at Yosemite National Park

This mantis is looks like it is praying against the setting sun.

A bull elk crosses the steaming Madison River in Yellowstone National Park.

A foggy creek within Smokey Mountains National Park.

A red fox in Wheatridge, Colorado taking a rest during a snow storm.