A wounded lion targets humans in Tanzania; male polar bears go on the attack in the Arctic; a baboon steals a human baby; dry weather in Botswana's Okavango Delta puts hippos on edge.
An outbreak of shark attacks on the Brazilian coast is discussed. Also: Siberian tigers draw human blood.
Footage of hippos, bears, crocodiles and vipers.
Examining the lethal bite of the Komodo dragon, the world's largest lizard species.
Aggressive chimpanzees are featured.
The animal kingdom's fiercest predators are spotlighted.
Getting up close and personal with the top 10 ultimate predators alive on Earth today; examining the attributes that make them so supremely good at hunting and killing.