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Female flying fox Belle needs an ultrasound on her concerning abdominal mass.

Dr. Priya and the team are hoping to get a look at Zuri the giraffe's baby on ultrasound, if only Zuri will cooperate.

The zoo staff rounds up the feisty kangaroo mob for their very important rabies vaccines, but the kangaroos aren't exactly...

Among the most critically endangered animals in the world - It’s thought about four hundred Amur Tigers remain in the wild....

Siberia. Not only a frozen wilderness, it is a region of incredible diversity. Of precarious beauty and endangered animals,...

Through the hills of Yakutia comes a relentless army. Reindeer. A herd of a thousand strong.

In green hills, local herders graze sheep and goats. The powerful sun brings out plants even in this dry zone.

In the North lies the Arctic. A place of extreme hardship, demanding finely-honed survival skills. Where life is precarious...

In the mountain regions, Arctic foxes aren’t so lucky. Where normally a half a dozen cubs would frolic, only two undersized...

While young harp seals take to the sea, their nemesis roams the ice. Polar bears spend most of their lives on the frozen pack...

The Arctic ice blankets an area twice the size of Australia. Animals have adapted to live above and below its fickle surface....

As summer melts the ice, polar bears dive for food in a unique way rarely seen called porpoising.