Hunter and Hunted

Enter the dolphin's complex world of sexual aggression and social hierarchy to find out what causes these seemingly harmless animals to attack.

A rash of black bear attacks one Canadian summer has experts looking for answers. Could it be a stressed food supply, a surge in the number of young bruins, or the increase in tourists? Or is there a more disturbing reason behind these attacks?

National Geographic investigates shark attacks that are causing beachgoers to struggle for their lives.

Travel to the heart of the Okavango Delta, filled with lush vegetation and home to many of Africa's deadly creatures.

Witness the force and reason behind a Buffalo's deadly attack.

National Geographic investigates what makes Cougars so dangerous in Vancouver Island.

The American alligator is an efficient and opportunistic hunter, but seldom preys on humans. So when alligators attack three women in three different parts of Florida in one week, experts want to know why the hunter became the hunted.

National Geographic investigates the circumstances behind a rare chimp attack in Sierra Leone.

After working in close proximity to brown bears for 30 years, a man gets viciously killed by one.

A series of rare and dangerous encounters bring the elusive Siberian tiger face-to-face with humans.

In South Africa, rhinos attack a group of tourists for no apparent reason. Are tourists unwittingly provoking these normally shy animals? If so, how?