By November, the blinding equatorial sun has turned their southern water holes into sucking mud, a trap for unwary youngsters and so they must move north toward permanent water. Their pace quickens with the male's need to reach their ancient battle g
The nursery lies at the heart of a twitching, thriving structure, built almost entirely of the aunts of themselves. Long legs stuck together with tussle cores. They are the scaffolding, bricks, and mortar of the nests. But theyve been in one place fo
Almost magically, they form a temporary nest of their own bodies. The larvae and food are taken into the nursery at its centre. Tomorrow they will do the whole thing again, marching for two to three weeks to reach fresh hunting grounds, where they ca
Unable to leave his harem to feed its seed, hes losing 50 pounds of blabber a day. All ready the albatross checks a hatching in staggering numbers downy and demanding with unending patience. The new mother waits for her mate to return for his far ori
Fat, laid down last summer provides energy during the meager winter months, but not all will make it. Further north, another cold weather survivor truly clings to life, one of the rarest birds in the world, the critically endangered Siberian White Cr
Even though the deer have a poor sense of smell, the musk manages to attract mates. Unfortunately, the human trade in musk glands has reduced the deer's numbers dramatically. And because only two thirds of the females have fawns each year, the popula
They can afford to--adult ravens seem to lack natural enemies. Time for a quick brush-down and they're all done--well, almost. Before man took his first step, ancient killers roamed the earth. Unchallenged, they feared nothing, until Mother Nature in
The Yakut are an ancient people, thought to have migrated north to Yukutia around 700 years ago. And while most have become urbanized, 400,000 still live as traditional nomadic herders. The herdsmen must get the animals to new grazing before the snow
In spring, as the weather finally warms, the rivers begin to unlock. Broken-ice makes handy barges for lazy water fowl. But the gaps in the ice also give golden-eye ducks a chance to fish. Soon, they are hunting in force. They are not the only ones b
The Siberia salamander is one of only a few species on the planet that can survive the deep freeze like this. Moving 15,000 km to Siberia's southern steppes, the landscape dramatically changes. Pine forests give way to what look like African plains.
A male with his harem seems at peace. But even without hunters, the life of an alpha male is tense. A challenger comes. It takes over three years for a young male to grow the impressive adult horns which can spiral to 190 centimeters long and weigh u
But he soon wises up. The thick neck absorbs the blows .The delicate brain is cushioned beneath the core of hollow horns. He defends his claim and relocates his harem. But one challenger won't give up so easily. They can crash at nearly 100 km/h. Eve
Thousands of years of isolation turned them into a separate species. In the middle of the lake are the Ushkanyi islands. Here the seals form their colonies safe from human predation. After a dip in the lake, nothing beats a dry resting place on the l
After spending a year or so as larvae under water, they transform into winged adults and take to the skies. The millions of tiny flies attract far bigger animals. As they hold a mass mating orgy along the banks of the lake, brown bears come to feed o
Some freshwater crocs try to snap them out of the air, others wait for fatal mistakes. But many more make it through. And after many hours on the wing, they find their new paradise, fresh, succulent eucalyptus at the highest bloom. At dawn, they sele
At the top, red eyed, yellow browed and full of spunk, they celebrate their ascent and reunion, and are quickly assorted by their ravenous chicks. Now, the earlier, the bigger the adults. More food is the chorus ringing out up and down the shores and
And the raptor executes his cool mercy.In the rolling surf, rockhoppers pop home with their garlics full. They take turns shuttling to the sea daily , having tibets of quilt to feed their growing chicks. Once ashore, the rockhoppers trade their long
This bleaching occurs because corals can only live in a narrow temperature range, healthy corals get their color from microscopic algae living in their tissues, these manufacture food for the corals by photosynthesis, but when the temperature rises j
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A cyclone can be over 500kms across with a wind swirling around the eye of 300kms per hour.It was the most destructive force that great barrier reef must face.And in Feb,2011,this part of reef was hamered by the biggest storm in the living memory,cyc
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