简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents s本色uch欧美 as bears and 婷婷seals turn to the salmon-filled waterways for久久 sustenanc一本e. Meanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphere.详情