Elephants are on a path to extinction. Investigative journalist Bryan Christy discusses the key factors surrounding the...
(01:36)Through April and May males build up their stamina for the mating season. Courtship happens in stages. First, pursuit. And...
(00:35)To understand one you've got to catch one. Do the Shark Men have what it takes to tag and track the rare and vulnerable Great...
(01:07)Crew member falls into the water near a great white when it tips the boat.
(01:50)Great instincts of protection. Enjoy the depths of motherly love.
(02:59)Cameraman Martin Dorhn describes the "Frankencam" he used to film army ants up close and personal.
(01:18)In Alaska, this expert isn’t afraid of wolves.
(02:37)Male cheetahs can sense when females are ready to mate.
(03:01)Seasons dramatically transform the Nordic landscape.
(03:00)Two rivaling packs of wolves battle over territory.
(02:35)Through the hills of Yakutia comes a relentless army. Reindeer. A herd of a thousand strong.
(02:57)What unique adaptations would big cats need to make in order to survive a possible future of a frozen world?
(02:28)One baby gorilla survived the murder of her family. Researchers help to care and protect her in a special facility.
(02:04)Little lion cubs test their hunting instincts.
(01:25)BuiltfortheKillGreatWhiteSharks_11917_hunting-for-seals
(02:51)A giant male crocodile is caught near a village.
(02:48)An animal rescue group brings a wild peacock in to the Avian and Exotics department for treatment.
(01:47)John Varty films Julie giving birth to a tiny tiger cub.
(03:09)The Hyaenodon was one of history's deadliest beasts, will its razor jaws ever be matched?
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