Brent Stephenson / Humpback whale fin (Megaptera novaeangliae) with cruiseship passengers watching from a zodiac, Admiralty Island, Alaska, United States, July. No release available.

Doug Perrine / Humpback whale thrashes water with tail fluke, Hawaii (taken under permit no 587)

Doug Perrine / Humpback whale + calf, Hawaii, taken under permit no 587 {Megaptera novaeangliae}

Doug Perrine / Male Humpback whale fends off rival with tail fluke Hawaii, taken under permit no 882

Doug Perrine / Humpback whale peduncle throw, Hawaii, taken under permit no 882 {Megaptera novaeangliae}