简介:In the ice-gripped enviro久久nm国产ent of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals tu亚洲rn to the salmon-filled waterways for sustenance. Meanwh夜色ile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemi精品sphere.详情