简介:In the ice-gripped environment of Alaska's Admi观看ralty Island, summer offers the bri真人efest of respites. Year-round res免费idents such as bears and seals turn to the salmon-filled waterways for sustenance. M爰片eanwhile, migrants descend in droves, from humpback whales to over 140 million seabirds--almost half the birds in the Northern Hemisphe人做re.详情