Discovery HD

How do dogs tell time? What is the secret behind the kangaroo's hop? Plus, why do vultures fly in circles? Experts answer these questions.

How do cats always land on their feet? How do hummingbirds fly when it is raining? Plus, does a subterranean mammal on the secret to longevity.

Why are cows always chewing? Do rhinos have a sensitive side and what's the loudest animal on earth? Plus, why do rattlesnakes release their prey.

Why do dogs bury bones? Can elephants detect bombs? Why do birds sing in the morning? Plus, what makes seahorses almost indestructible.

Why do sloths turn green? How do sea turtles navigate their way home? Plus, how do diving beetles spend so long underwater.

Do mosquitos prefer the taste of some people over others? How can snakes hear if they have no ears? How do millions of birds fly as one.

When an Eskimo dog arrives with a broken jaw Dr Jeff must uncover the cause. Plus, Dr Nichols and Dr Jeff have their hands full treating some uncooperative yaks.

Dr Jeff and Dr Petra work together to save a beloved pet husky's leg. Meanwhile, specialist Dr Baier has a scare during a routine treatment of pet pig Strawberry.

Dr Jeff and the team are on a time limit to treat an English bulldog who swallowed a rock. Plus, Hector gets a workout from some puppies in need.

Where There's Water There's A Way. As the siblings race to finish their water system, Billy gets news that shakes the Wolfpack. Bear goes hunting and reflects on a big life decision.

It's late fall and the Browns kickstart their ambitious cabin build. Plus, the family attempts to organise an extreme wedding in the mountains.

Gabe is attacked by an aggressive ostrich and loses one of his most prized possessions in the process. Plus, the family prepare the land for winter.

When the ranch comes under fire from encroaching hunters, Gabe decides to learn to ride a horse as the family constructs a fence around the property.

The Browns rush to build livestock shelters as a life-threatening cold front reaches the mountain. The siblings are forced to make a risky journey.

The ranch faces another crisis when the water supply freezes. Plus, the Wolfpack must problem solve to get the house back on track in time for the deep freeze.

A rogue wave pummels the Wizard crew and rattles Keith. Sig's deckhand suffers a crushed toe. Rick needs new tactics to contend with old crab pots.

Cabinet Maker Ciarán runs into trouble creating a unique rocking chair using a traditional, and tricky, steam bending technique.

Chase Morrill and his team help a DIY homeowner jump-start his project and complete a renovation near Damariscotta, ME, that will keep the kids happy.

Fighting for their countries and $200K, competitors from Australia, Brazil, Mexico and the USA are immediately tasked with making primitive fire.

A rare northern outbreak draws chasers across the Canadian border. Freddy, Tanner, and Connor race across Nebraska pursuing the Tornado of the Year.