Some of the greatest natural spectacles in the world are animals on the move. On land, in the air and at sea, many animals must migrate to survive.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

National Geographic filmmakers Dereck and Beverly Joubert set out to create a film on leopards but never imagined they would be seduced by a small, eight-day-old cub named Legadema. Eye of the Leopard follows Legadema’s journey from a playful cub to a skilled huntress. Narrated by Jeremy Irons.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

National Geographic filmmakers Dereck and Beverly Joubert set out to create a film on leopards but never imagined they would be seduced by a small, eight-day-old cub named Legadema. Eye of the Leopard follows Legadema’s journey from a playful cub to a skilled huntress. Narrated by Jeremy Irons.

Giant spiders. Voracious blobs. Swamp things. It's the stuff of horror movies. But these creepy killers are real. And sometimes fact is stranger than fiction.

Intelligent, cultured and deadly, the killer whale dominates every ocean on earth and as our planet changes, this top predator changes with it. They are elite, marine hunters with an extremely diverse diet including other apex predators like the great white shark. Killer whales pursue their prey like a pack of wolves and have multiple killing techniques.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

Meet Dr. Pol, an expert in large farm animals and pets. This senior is anything but retiring as he takes an old-school, no-nonsense approach to veterinary medicine. Nat Geo WILD follows The Incredible Dr. Pol as he travels across rural Michigan to care for every family pet and head of livestock in need of his expertise and kindness.

Meet Dr. Pol, an expert in large farm animals and pets. This senior is anything but retiring as he takes an old-school, no-nonsense approach to veterinary medicine. Nat Geo WILD follows The Incredible Dr. Pol as he travels across rural Michigan to care for every family pet and head of livestock in need of his expertise and kindness.

Spanning thousands of acres and incorporating hundreds of species of animals; Michelle Oakley is one tough veterinarian. There is no such thing as a typical day in Michelle's practice.

Spanning thousands of acres and incorporating hundreds of species of animals; Michelle Oakley is one tough veterinarian. There is no such thing as a typical day in Michelle's practice.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

Spanning thousands of acres and incorporating hundreds of species of animals; Michelle Oakley is one tough veterinarian. There is no such thing as a typical day in Michelle's practice.

Meet Dr. Pol, an expert in large farm animals and pets. This senior is anything but retiring as he takes an old-school, no-nonsense approach to veterinary medicine. Nat Geo WILD follows The Incredible Dr. Pol as he travels across rural Michigan to care for every family pet and head of livestock in need of his expertise and kindness.

Meet Dr. Pol, an expert in large farm animals and pets. This senior is anything but retiring as he takes an old-school, no-nonsense approach to veterinary medicine. Nat Geo WILD follows The Incredible Dr. Pol as he travels across rural Michigan to care for every family pet and head of livestock in need of his expertise and kindness.

Spanning thousands of acres and incorporating hundreds of species of animals; Michelle Oakley is one tough veterinarian. There is no such thing as a typical day in Michelle's practice.

Spanning thousands of acres and incorporating hundreds of species of animals; Michelle Oakley is one tough veterinarian. There is no such thing as a typical day in Michelle's practice.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

National Geographic filmmakers Dereck and Beverly Joubert set out to create a film on leopards but never imagined they would be seduced by a small, eight-day-old cub named Legadema. Eye of the Leopard follows Legadema’s journey from a playful cub to a skilled huntress. Narrated by Jeremy Irons.

Giant spiders. Voracious blobs. Swamp things. It's the stuff of horror movies. But these creepy killers are real. And sometimes fact is stranger than fiction.

Intelligent, cultured and deadly, the killer whale dominates every ocean on earth and as our planet changes, this top predator changes with it. They are elite, marine hunters with an extremely diverse diet including other apex predators like the great white shark. Killer whales pursue their prey like a pack of wolves and have multiple killing techniques.

Enraged, aggressive and on the attack. They're called wild animals for a reason.

National Geographic filmmakers Dereck and Beverly Joubert set out to create a film on leopards but never imagined they would be seduced by a small, eight-day-old cub named Legadema. Eye of the Leopard follows Legadema’s journey from a playful cub to a skilled huntress. Narrated by Jeremy Irons.

Giant spiders. Voracious blobs. Swamp things. It's the stuff of horror movies. But these creepy killers are real. And sometimes fact is stranger than fiction.

Some of the greatest natural spectacles in the world are animals on the move. On land, in the air and at sea, many animals must migrate to survive.

Some of the greatest natural spectacles in the world are animals on the move. On land, in the air and at sea, many animals must migrate to survive.