Humpback Whale (Megaptera novaeangliae) fluke-up dive Chatham Strait, Southeast Alaska, USA

Humpback Whale (Megaptera novaeangliae) Adult, fluke-up dive, Frederick Sound, Southeast Alaska, USA. Pacific Ocean.

Two Humpback Whales (Megaptera novaeangliae) surfacing in Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) Adult fluke-up dive. Frederick Sound, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) tail-throw Chatham Strait, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) Adult, fluke-up dive, off Pt. Adolphus in Icy Strait, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) fluke-up dive (note the Orca tooth rake marks on the right side of the tail) Icy Strait, Southeast Alaska, USA.

Humpback Whales (Megaptera novaeangliae) surfacing in Hobart Bay, Southeast Alaska, USA. Pacific Ocean.

Three adult Humpback Whales (Megaptera novaeangliae) surfacing in Frederick Sound, Southeast Alaska, USA. Pacific Ocean. (rr)

Adult Humpback Whale (Megaptera novaeangliae) breaching in Icy Strait, Southeast Alaska, USA. Pacific Ocean.

Adult humpback whale (Megaptera novaeangliae) surfacing in the mist shrouded waters of Hobart Bay, Southeast Alaska, USA. Pacific Ocean.

Adult Humpback Whales (Megaptera novaeangliae) cooperatively bubble-net feeding in Stephens Passage, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) breaching after co-operatively bubble-net feeding in Stephen's Passage, Southeast Alaska, USA. Pacific Ocean.

Humpback whale calf (Megaptera novaeangliae) breaching in Southeast Alaska, USA. Pacific Ocean.

Humpback whale, (Megaptera novaeangliae), tail lob or tail slap, Monterey Bay, California, USA

Adult Humpback Whale (Megaptera novaeangliae) breaching in Chatham Strait in Southeast Alaska, USA. Pacific Ocean.

Adult humpback whale (Megaptera novaeangliae) breaching in Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) calf breaching in Hobart Bay, Southeast Alaska, USA. Pacific Ocean.

Humpback whale, Megaptera novaeangliae, fluke, Kailua-Kona, Big Island, Hawaii (Pacific)

Humpback Whale (Megaptera novaeangliae) calf breaching in Hobart Bay, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) flicking flukes. Chatham Straits, S. E. Alaska

Humpback Whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Stephen's Passage, Southeast Alaska, USA. Pacific Ocean.

Humpback Whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Stephen's Passage, Southeast Alaska, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) calf breaching in Hobart Bay, Southeast Alaska, USA. Pacific Ocean.

North Pacific Humpback Whale (Megaptera novaeangliae) tail-lobbing in Southeast Alaska, USA.