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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]
Dawn the humpback whale in the Sacramento River in 2007 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.
A researcher fires a biopsy dart at an orca.The dart will remove a small piece of the whale's skin and bounce harmlessly off the animal. Cetology (from Greek κῆτος, kētos, "whale"; and -λογία, -logia) or whalelore (also known as whaleology) is the branch of marine mammal science that studies the approximately eighty species of whales, dolphins, and porpoises in the scientific ...
In 1900, the American naturalist Edward William Nelson described the kăk-whăn’-û-ghăt kǐg-û-lu’-nǐk among a number of other mythical and composite animals: [1]. It is described as being similar in form to the killer whale and is credited with the power of changing at will to a wolf; after roaming about over the land it may return to the sea and again become a whale.
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Beaked whales have several anatomical adaptations to deep diving: large spleens, livers, and body shape. Most cetaceans have small spleens. However, beaked whales have much larger spleens than delphinids, and may have larger livers, as well. These anatomical traits, which are important for filtering blood, could be adaptations to deep diving.
A flukeprint is clearly visible behind a humpback whale. In marine biology, a flukeprint is a patch of calm water on the surface of the ocean, formed by the passing of a whale. Flukeprints may also be named by the word for them in the Inupiaq language, qala. [1]
The incisors are cone-like, linking Maiacetus to modern toothed whales and other extinct cetaceans. The middle ear bones are also similar to those of Basilosaurus and modern whales. [5] This species is medium-sized with a skeleton 2.6 metres (8.5 ft) in length and an estimated weight of 280 to 390 kilograms (620 to 860 lb).
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