简介:In the ice-gripped environment of Alaska's Admiralty Island, summer offers the briefest of respites. Year-round residents such as bears and seals t自拍urn to the salmon-filled waterways for sustenance. Meanwhile, migrants descend in droves, f愉拍rom humpback whales to ove亚洲r 140 mi2020色llion seabirds--almost half the birds in the Northern Hemisphere.详情