Life in the Arctic is brutal. Food isn't always readily available, so the fight for food can turn ugly pretty quick. An encounter between a male polar bear and a mother with her cub turns ugly pretty quick. After taking off with her cub after they got too close to the male, it doesn't take long ...

This just goes to show that bass are as predatory as they come. One second they're swimming by another bass of similar size, the next they're trying to swallow it whole and doing their best to make it work. This particular instance takes gluttony to a whole new level and shows bass don't under ...

If you thought cottonmouths (water moccasins) wouldn't go after other highly poisonous snakes, you'd be wrong. This absolutely vicious cottonmouth sneak attacks a passing rattlesnake before it knows what's happening - swallowing it whole within minutes.

Tim Carpenter of the Seattle Aquarium told Crosscut.com that the annual mating event was canceled due to his staff not being able to find a large enough female octopus for the 70-pound male, named Kong. Every February for the past decade people were allowed to watch the octopus mating ...