简介:In the ice-gripped environment of Alaska's Admira直播lty Island, summer offers the briefest of respites. Year-round residents such as bears and seals turn to the salmon-filled waterways for sust露脸enance. Meanwhile, migrants descend in droves, from humpback二区 whales to over 1一区40 million seabirds--almost half the birds in the Northern Hemisphere国产.详情