简介:In the奶头 ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round resi别揉dents such as bears and seals turn to the salmon-filled视频 waterways for sustenance. Meanwhile, migrants descend in droves, from humpback whales to over 140 millio啊嗯n seabirds--almost half the birds in the Northern Hemisphere.详情