National Geographic WILD HD Tuesday

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At the North Carolina Zoo, a gorilla has emergency surgery, vets examine a deadly rattlesnake and zoo keepers try to take blood from a lion

Documentary investigating deadly ocean dwellers, including creatures armed with lethal poison, sharp-toothed barracudas and scavenging piranhas

The dangerous tides of the Cook Inlet create havoc for the fishermen as giant waves lash Captain Gavin's boat

Documentary exploring how predators such as wolves and lions boost their chances of success by hunting in packs or prides to bring down bigger prey

Dr Brenda treats a lame reindeer, while the vets treat a box full of kittens and a goat kid. Dr Nicole deals with a bloodbath at House Dairy

Dr Oakley visits the Kroschel Wildlife Centre to treat a moose with limb issues and a mink that cannot stop sneezing. A lovebird becomes gravely ill after compulsively laying eggs

David Attenborough looks at life through the eyes of a newborn elephant calf as he charts the evolution of animal life in the country

David Attenborough explores life under the canopies illustrated in Rudyard Kipling's Jungle Book, including encounters with Bengal tigers, and monkeys drunk on fermented fruit

From the operating room to The Wilds, medical teams at the Columbus Zoo prep for a kangaroo surgery, a gorilla's annual check-up, and more

The vet flips a cow upside down to fix its stomach, de-worms a champion goose, and tries driving a sled dog team. Dr Brenda de-horns a group of loud pygmy goat babies

The fire brigade helps out with a dangerous capture, as Simon and Siouxsie hunt down mambas all over the city

A cheetah fights for its life against a mysterious and debilitating illness, and an elephant is artificially inseminated

Part one of two. The early stages of an annual migration undertaken by two million wildebeest, zebras and gazelles as they embark on a 600-mile trek through the Serengeti

Part two of two. Following the migration of wildebeest, zebras and gazelles, as they trek 1,000km through the Serengeti, and the predators that flock to feast on stragglers

As summer wanes, the next generation of Alaskans use land and sea to hunt and gather resources before dark winter hits

Bjorn is called out to help a truck, but finds himself having to carry out a double rescue. Thord struggles to keep the roads open during heavy snowfall

Zeb Hogan searches for one of North America's most misunderstood fish - the alligator gar - a 10ft-long creature with a mouthful of razor-sharp teeth

Mary Miller hunts for deer in forests that are home to wolves, Sam Carlson has a plan to enrich his garden's soil, and Gary Muehlberger braves the sea to bring home fish

Dr Oakley is kept busy as she sees a horse with a limp, performs pregnancy checks on a group of goats, and treats an overweight dog

From the operating room to The Wilds, medical teams at the Columbus Zoo prep for a kangaroo surgery, a gorilla's annual check-up, and more

Dr Oakley checks up on the local bat population, treats a sow that is in labour, and has to round up some escaped cows after a routine procedure goes badly wrong

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