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His hardy upland flock of Scotch Blackface and Welsh mountain sheep spend nine-and-a-half months of the year on the moor, where they are most vulnerable to theft.

It is a place of farms, crofts, forests and rugged hills, vast upland moors and mountains but few people.

Ancient maize genomes from the Ozark rockshelters indicated that maize entered eastern North America at least twice, tracing ancestry to both the upland US Southwest and southern Texas.

Drones have been buzzing over Welsh wetlands this year as researchers try to find curlew nests and save the upland wader from extinction.

The Cairngorms were among upland areas to see a dusting on Tuesday.