Snow Leopards arrive at Northumberland Zoo

Video report by Jonny Blair

They're some of the hardest big cats to spot in the wild - so to have two of them on display anywhere's a rarity.

So, with less than seven thousand snow leopards left in the wild, having a pair of sisters arrive at Northumberland Zoo has caused quite a fuss.

And those working to protect their species halfway around the globe hope the duo here can help their furry friends elsewhere.

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