Diving nose first through the snow's surface, this red fox searches out a meal.

The father gyrfalcon hasn't brought home enough food, so the mother decides to go on the hunt.

Wolves from the Druid pack chase down an elk.

Check out this high-speed video footage of hummingbirds catching insects, which provide protein in their diet.

A polar bear mother hunts for seal pups, but they are becoming more difficult to find these days.

For decades, Hardy Jones has been working to expose and stop the trade in dolphins used for food and entertainment. In some cases, Jones's footage has helped stop dolphin captures.

Sometimes restorationists want to put predators like grizzlies back into places they haven't been seen in centuries, sparking opposition from those who say dangerous animals just can't coexist with people in some places anymore.

The NATURE program American Buffalo: Spirit of a Nation tells the sad story of how the buffalo nation was destroyed nearly a century ago by greed and uncontrolled hunting.