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Overview: On North Ronaldsay, one rare breed of sheep can subsist on a diet of only seaweed. In the Shetlands, otters benefit from a current of warm water flowing up from Spain. |
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Overview: On North Ronaldsay, one rare breed of sheep can subsist on a diet of only seaweed. In the Shetlands, otters benefit from a current of warm water flowing up from Spain. |