Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) trio gulp feeding, Inside Passage, southeast Alaska

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) pod gulp feeding, Inside Passage, southeast Alaska

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) pod gulp feeding, Inside Passage, southeast Alaska

Konrad Wothe / Close up of iceberg in Inside Passage, Southeast Alaska, USA, July 2006

Konrad Wothe / Iceberg in Endicott Arm, Inside Passage, Southeast Alaska, USA, July 2006

Gerry Ellis / Orca (Orcinus orca) breaching, Inside Passage, Alaska

Konrad Wothe / Orca (Orcinus orca) female surfacing and spouting beside conifer-covered coastline, Inside Passage, Alaska

Doug Perrine / Humpback whale (Megaptera novaeangliae) breaching at sunset, Kupreanof Island, Frederick Sound, Inside Passage, southeastern Alaska, USA, July.

Doug Perrine / Humpback whale (Megaptera novaeangliae) breaching, Saginaw Channel, Inside Passage, near Juneau, southeastern Alaska, USA, July.

Doug Perrine / Humpback whales (Megaptera novaeangliae) bubble net feeding on herring, with sea gulls hoping to snatch fish; baleen can be seen in the open mouths of several of the whales; Kupreanof Island, Frederic...

Doug Perrine / Humpback whales (Megaptera novaeangliae) bubble net feeding on herring, with sea gulls trying to snatch fish, Kupreanof Island, Frederick Sound, Inside Passage, southeastern Alaska, USA, July.

Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) breaching, Inside Passage, southeast Alaska