As winter comes, people struggle to keep warm with the help of down coats, snow boots or cashmere sweaters. But how can you deal with the cold if your ears are three feet long, or you were genetically designed for a tropical climate?
That's the challenge faced by many zoo animals from all kinds of habitats around the globe. To ensure a safe and warm winter for their resident animals, zookeepers in China have come up with various measures.
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A tortoise in hibernation is covered with cotton quilts in a zoo in Anqing, Anhui province on Nov 23, 2015. [Photo/IC] |
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