Sometimes the humpback will dive with a fantastic movement known as a breach.During breaching the whale uses its powerful tail flukes to lift nearly two­thirds of its body out of the water in a giant leap.A breach might also include a sideways twist with fins stretched out like wings, as the whale reaches the height of the breach.

　　A humpback whale breathes air at the surface of the water through two blowholes which are located near the top of the head.It blows a double stream of water that can rise up to 4 metres above the water.

　　The humpback has a small dorsal fin located towards the tail flukes about two­thirds of the way down its back.Other distinguishing features include large pectoral fins, which may be up to a third of the body length, and unique black and white spots on the underside of the tail flukes.These markings are like fingerprints: no two are the same.

　　Humpback whales live in large groups.They communicate with each other through complex “songs”.

　　Quick Facts

　　Size： 14m­18m in length；

　　30­50 tons in weight

　　Living

　　environment： Open ocean and shallow coastline waters

　　Migration： From warm tropical (热带的) waters, where they breed, to cold polar waters, where they eat

　　Diet： Shellfish, plants and fish of small size

　　Hunting： Sometimes in groups, in which several whales form a circle under the water, blowing bubbles that form a “net” around a school of fish.The fish are then forced up to the surface in a concentrated mass.

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