A humpback whale breathes air at the surface of the water through two blowholes which are located near the top of head. It blows a double stream of water that can rise up to 4 meters above the water.
The humpback has a small dorsal fin located towards the tail flukes about two-thirds 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: 14m—18m in length;
30—50 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.
Current
state: Endangered: it is estimated that there are about 5000—7500 humpback whales worldwide.
1. According to Quick Facts, a humpback whale .
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