National Geographic WILD Sunday

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Dr Emily faces a rowdy red cow, while Dr Nicole helps a horse. Meanwhile, a tiny kitten and a bloated calf pose other problems for the team

Charles has appointments for both of his Great Danes, while the vets race across Central Michigan to treat a percheron, a sheep with ringworm, and an exotic reptile

The wildlife of the Mongolian Steppe, a region bordered by forests and deserts and home to some of the hardiest animals on the planet, many of which depend on grass to survive

The Matahta and Western Prides continue their struggle for supremacy, a mother's devotion to her cub is tested, and the Makulu pack prepares for a battle against the hyenas

A lone cheetah is reunited with her father and begins a new stage of life, while a hyena pack's alpha female is deposed by a rival in the ranks

Marine biologist Ryan Johnson investigates strategic attacks by great white sharks on humpback whales, tracking a whale migration to study this new pattern of behaviour

Part one of two. The mysterious world of orcas. Recent attacks on boats near Gibraltar raise questions of whether the creatures are threatening humans or just playing

Part two of two. Marine biologist Florian Graner delves into orcas' ability to pass down knowledge through generations, and the diverse orca populations in the Salish Sea

As incredible friendships are forged, bonds are made between a pair of lazy lemur brothers and rambunctious wallaby roommates

The vets have a full plate, including surgery on a painted dog, a duck that won't stop laying eggs and a parrot with neck trouble

The vets take on a cattle auction and help a pup in need

Exploring work to protect the Danube, the largest preserved wetland on the continent, which is a sanctuary for thousands of species - many are the last of their kind

Underwater footage revealing the secret lives of whales

Hunter Josh James and chef Matt Tebbutt combine their skills to prove they can eat like kings even in extreme conditions, beginning in Mexico's Copper Canyon

The natural history of Africa's five principle wild animals: rhinos, elephants, leopards, lions and buffalos

Simon and Siouxsie wrestle a 12-foot mamba out of a drain and dig up a driveway to deal with a deadly cobra

The Alaskans must find a way to outsmart the brutal elements if they wish to maintain their isolated lifestyle

The Alaskans use their limited resources to acquire the food and other things they need to survive in the deadly cold