Pacific humpback whale adult and calf, Megaptera novaeangliae, underwater in the Au Au Channel, Maui, Hawaii.

Humpback Whales (Megaptera novaeangliae) Mother and calf underwater in the AuAu Channel, Maui, Hawaii.

Humpback whales (Megaptera novaeangliae). Hawaii, USA.

Humpback whale (Novaeanglia megaptera) mother and calf in shallow water off the island of Lanai, Hawaii, USA.

Humpback whale (Megaptera novaeangliae) resting at surface. Hawaii, USA.

Humpback whale mother and calf underwater in the AuAu Channel, Maui, Hawaii, USA.

Curious humpback whale calf blows bubble trail underwater in the AuAu Channel, Maui, Hawaiid

Humpback Whale (Megaptera novaeangliae) Mother and calf underwater, AuAu Channel, Maui, Hawaii, USA. Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) Curious calf approaches camera underwater. AuAu Channel, Maui, Hawaii, USA

Humpback Whale (Megaptera novaeangliae) Mother and calf underwater in the AuAu Channel, Maui, Hawaii, USA. Pacific Ocean.

A curious newborn humpback whale calf (Megaptera novaeangliae) approaches the boat in the AuAu Channel, Maui, Hawaii, USA. Pacific Ocean. This calf was born in early December, one of the first calves of the season.

Pacific humpback whale calf, Megaptera novaeangliae, breaching in the Au Au Channel near Maui, Hawaii.

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

Humpback Whales (Megaptera novaeangliae) Curious mother/calf/escort approach boat underwater near Lanai, Hawaii, USA, Pacific Ocean.

Humpback Whale (Megaptera novaeangliae) calf breaching off Point Adolphus in Southeast Alaska, USA. Pacific Ocean.

Humpback whale, (Megaptera novaeangliae), calf breaching as mother flukes up, Monterey Bay, California, USA

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

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

Humpback whale, (Megaptera novaeangliae), calf breaching, Monterey Bay, California, USA

Humpback whale, (Megaptera novaeangliae), calf breaching, Monterey Bay, California, USA

Humpback whale (Megaptera novaeangliae) breaching with long pectoral fin visible. Hawaii, USA.

Humpback whale (Megaptera novaeangliae) breaching with long, white pectoral fin visible. Hawaii, USA. (See also image:... 1025MW)

Humpback Whale (Megaptera novaeangliae) Curious adult approaches boat underwater (people hanging over the side of the boat wearing masks to view whale) Near Maui, Hawaii, USA. Pacific Ocean.

A humpback mother whale escorts her calf.

Humpback mother and calf swim near the surface.

Two adult humpback whales with a small calf.

A humpback whale calf swims around its mother in the ocean.

A diver encounters two humpback whales in the ocean.

A female Humpback whale with her calf swimming together.

Two humpback whales and a shark swim among ancient city ruins.

Humpback whales (Megaptera novaeangliae) mother and calf underwater. Hawaii, USA.