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Eschrichtiidae or the gray whales is a family of baleen whale (Parvorder Mysticeti) with a single extant species, the gray whale (Eschrichtius robustus), as well as four described fossil genera: Archaeschrichtius (), Glaucobalaena and Eschrichtioides from Italy, [1] [2] and Gricetoides from the Pliocene of North Carolina. [3]
Whale ribs loosely articulate with their thoracic vertebrae at the proximal end, but do not form a rigid rib cage. This adaptation allows the chest to compress during deep dives as the pressure increases. [13] Mysticetes consist of four families: rorquals (balaenopterids), cetotheriids, right whales (balaenids), and grey whales (eschrichtiids).
Cetaceans are the animals commonly known as whales, dolphins, and porpoises. This list includes individuals from real life or fiction, where fictional individuals are indicated by their source. This list includes individuals from real life or fiction, where fictional individuals are indicated by their source.
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Female orcas, like their human counterparts, live decades beyond their reproductive years.
Echolocation also allowed toothed whales to dive deeper in search of food, with light no longer necessary for navigation, which opened up new food sources. [27] [49] Toothed whales echolocate by creating a series of clicks emitted at various frequencies. Sound pulses are emitted, reflected off objects, and retrieved through the lower jaw.
Engraved on the tooth is a picture of the ship Francis, which artist Fred Myrick served on during the early 1800s. Now, sperm whales are protected under the Marine Mammal Protection Act. So, in ...
Bahamut – Whale monster whose body supports the earth. Word seems far more ancient than Islam and may be origin of the word Behemoth in modern Judeo-Christian lore. Bake-kujira – Ghost whale; Cetus – a monster with the head of a boar or a greyhound, the body of a whale or dolphin, and a divided, fan-like tail