Observe the fierce struggle between these peculiar reptiles, and discover why they fight!
(03:00)Discover what happens when nature becomes unpredictable.
(03:02)Let yourself be captivated by the stunning sunsets and glorious roars of nature.
(00:30)Explore how this group of seals hunts in South Africa.
(03:02)Great instincts of protection. Enjoy the depths of motherly love.
(02:59)A mongoose takes on the most infamous snake of all, the black mamba.
(02:19)Grant and his friends go for a swim in the African Delta and have a surprise encounter with a giant crocodile.
(02:07)Two hippos get into a vicious fight over territory.
(02:01)Species upon species converge in the Falkland Islands to end their migratory journeys in mating and birth.
(02:15)The mayfly is born, lives through middle-age, and then dies. All in the same day.
(02:41)Cameramen chase down the monarchs flying around a field.
(01:00)Red crab larvae hatch and head for dry land, covering Christmas Island's shores in delicate little crablings.
(02:22)Crab males endure a harrowing journey towards sea -- facing yellow crazy ants and traffic along the way.
(02:33)After mating in the forest, red crab females descend down tall cliffs into the sea where they release their eggs.
(02:58)Producer talks about filming crabs while on locations.
(02:17)A tragic and violent scene plays out as wildebeest herds attempt to cross a river teeming with crocs.
(02:59)As the herd trudges through the Serengeti, some young wildebeests simply cannot survive the scorching journey.
(02:56)Cameraman Benam describes having to film a wildebeest calf and his bleating mother lose a battle against a croc.
(02:54)Poole describes shooting WB from a hot air balloon.
(01:56)Poole finds a WB stuck in the river - and it dies sadly.
(03:19)