By Crystal Chung @crystalkchung

TWO polar bears keep themselves warm by play fighting in the snow in the Arctic village of Kaktovic, Alaska

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On lookout: One of the playful polar bears pokes its head above the icy water

The beautiful images were shot in October 2015 by award-winning nature photographer Howie Garber.

The predators can be seen taking swipes at each other with their huge paws and exchanging playful bites.

Polar bears have become a magnet for tourists in Alaska but their natural habitat is under threat from climate change, according to Garber.

Bear-ly legal: The boisterous bears appear to be about to playfully bite each other

The 65-year-old snapper said: “In Kaktovic for the last 15 years or so the polar bears have become a tourist attraction.

“Obviously polar bears are vulnerable from man-made climate change.

"I am saddened because the polar bears seem to tolerate man’s presence, provide us with much pleasure and entertainment, without an awareness of how we are destroying their icy habitat.

Oi cheeky! One of the bears gently bites the other on the face

"The ice is shrinking every year. My personal belief is that polar bears will not become extinct but will rather adapt by changing their diet.”

Polar opposites: The two bears play fight on the ice

Howie has been travelling the world photographing and observing wildlife in its natural habitat since 1990 when he was travelling South America and was picked up as a hitchhiker by a Brazillian biologist who was doing research on jaguars.

Paws for thought: One of the bears appears to have the upper hand
Clash in the arctic: One of the polar bears prefers the resting position when it brawls

Since then the Boston-born ER physician has won a number of national and international awards for his photography, including two first place awards in the BBC Wildlife Photographer of the Year Contest.