Man's Best Friend • 2016 • episode "1/3" • Secret Life of Dogs

48:40

Human mothers raise fetuses inside their wombs and breast feed their babies for a long time after birth. What made humans evolve so that we raise our children so affectionately? The latest research reveals an unexpected origin of mothers' affection toward their children. Scientists believe that our ancestors experienced unforeseen dramatic changes in DNA under threats of extinction. These DNA changes caused humans to be devoted to raising children. Learn about the scientific interpretation of the evolutionary roots of your affectionate bonds with your kids.

2/3 • Leaps in Evolution • 2016 • Nature

46:05

How and why dogs have become such good working companions, including Midge, the world's first police Chihuahua, and Joey, a sheepdog from the Cotswolds. Mother-of-four Toni Curtis gives her remarkable account of the fateful day when she was swept out to sea off the north coast of Wales and how she owes her life to the Newfoundland dog that saved her life..

2/3 • Secret Life of Dogs • 2016 • Nature

48:04

Two male ocelots, among the rarest wild cats of the Pantanal, are fighting it out over a freshly killed anaconda. In the distance, the loudest land animal in the Western Hemisphere, the howler monkey, fills the air with its primal cry. There's excitement at every turn in this protected South American wetland.

5 • Brazil Untamed • 2016 • Nature

57:56

The first programme shows how sharks are the ocean's great predators, living in every ocean and hunting in every way. Blacktip sharks hunt in huge packs and herd fish into baitballs, tasselled wobbegongs are ambush hunters, Greenland sharks live under the arctic ice, and whitetip reef sharks are the masters of hunting at night. The finale shows the great white in its hunt for fur seals off the coast of South Africa.

1/3 • Shark: Beneath the Surface • 2015 • Nature

46:41

Dogs. Man's best friend. But do we really know our faithful companions?

Nature

24:22

To say some baby animals are dependent on their parents is an understatement. At Caversham Wildlife Park in Australia, a koala joey can always be found clinging to its mom's body, and Asian small-clawed otter pups share a lifetime family bond. Enjoy a heart-warming look at mother-baby animal relationships.

S2E4 • Baby Animals • 2016 • Nature