Humpback whale (Megaptera novaeangliae) fluking up to dive. Alaska

Humpback Whale (Megaptera novaeangliae) sounding and researchers. Alaska

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

Humpback Whale (Megaptera novaeangliae) lobtailing. Icy Straits, S. E. Alaska

Humpback Whale (Megaptera novaeangliae) tail-throw in Southeast Alaska, USA. T

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

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

Humpback Whale (Megaptera novaeangliae) tail-slapping near researchers. Chatham Strait, Southeast Alaska, USA.

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

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

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

Adult humpback whale (Megaptera novaeangliae) fluke-up dive in Frederick Sound, Southeast Alaska, USA. Pacific Ocean.

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

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

Adult humpback whale (Megaptera novaeangliae) fluke-up dive in the middle of a group of bubble-net feeding humpback whales. Chatham Strait in Southestern Alaska, USA. Pacific Ocean.

Humpback whale (Megaptera novaeangliae) lifting its barnacle-infested tail flukes at the start of a dive. Knysna, South Africa

Humpback whale (Megaptera novaeangliae) tail slapping with its flukes. Alaska