scotland, uk, is renowned for its seabirds. But this year, seasoned bird-watchers are mourning. On the south side of the isle of Shetland, off the coast, almost 24,000 nests of the migratory arctic tern lie abandoned. A few kilometres away, on the island of Foula, the world's largest colony of great skuas has seen only a few fledglings survive.

Ornithologists say the adult birds need energy before they can lay eggs. But they're starving as their food