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In whales, callosities are rough, calcified skin patches found on the heads of the three species of right whales. Callosities are a characteristic feature of the whale genus Eubalaena. Because they are found on the head of the whale and appear white against the dark background of the whale's skin, they allow the reliable identification of ...
Right whales are three species of large baleen whales of the genus Eubalaena: ... Consistent callosity patterns ensured it was the same animal. She was last ...
Right whales are also unique in that they all have callosities—roughened patches of epidermis covered with thousands of small light-colored cyamids. The callosities appear in patches on its head immediately behind the blowholes, along the rostrum to the tip, which often has a large callosity, referred to by whalers as the "bonnet". [20]
An unusual journey. In her 26 years working with right whale sighting networks, Albert has seen right whales travel into the Gulf fewer than a half-dozen times.
Whales are fully aquatic, open-ocean animals: they can feed, mate, give birth, suckle and raise their young at sea. Whales range in size from the 2.6 metres (8.5 ft) and 135 kilograms (298 lb) dwarf sperm whale to the 29.9 metres (98 ft) and 190 tonnes (210 short tons) blue whale, which is the
Sperm whales defecate near the surface because they shut down non-vital functions when they dive to depths of up to 10,000 feet (3,000 meters Endangered sperm whales now have their first protected ...
The animals resemble killer whales but are actually large members of the dolphin family. False killer whales can weigh up to 3,000 pounds and generally live in deep offshore waters in tropical and ...
The family Balaenidae, the right whales, contains two genera and four species. All right whales have no ventral grooves; a distinctive head shape with a strongly arched, narrow rostrum, bowed lower jaw; lower lips that enfold the sides and front of the rostrum; and long, narrow, elastic baleen plates (up to nine times longer than wide) with fine baleen fringes.