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Livyatan is the largest fossil sperm whale discovered, and was also one of the biggest-known predators, having the largest bite of any tetrapod. [1] [8] Diagram comparing the upper and lower size estimates of Livyatan (bottom three) with the size of mature sperm whales, including one of the largest individuals recorded (top three), and a human
The sperm whale is the largest toothed whale and is among the most sexually dimorphic of all cetaceans. [35] Both sexes are about the same size at birth, [11] but mature males are typically 30% to 50% longer and three times as massive as females. [36] [37] Newborn sperm whales are usually between 3.7 and 4.3 meters (12 and 14 ft) long. [38]
• Physical maturity for female sperm whales is around 10.6 to 11 meters (35 to 36 ft) on average, whilst for male sperm whales, it is around 15 to 16 meters (49 to 52 ft) in length. Above-average females have been recorded up around 12 to 13 meters (39 to 43 ft), and the maximum size usually stated for males is males around 18 to 19 meters ...
Male sperm whales are sexually mature at 11 to 12 meters (36 to 39 ft), and physically mature at about 15 to 16 meters (49 to 52 ft) in length, on average. Larger-than-average females have been generally recorded around 12 to 13 meters (39 to 43 ft), and larger-than-average males are usually stated to reach a maximum of about 18 to 19 meters ...
The blue whale (Balaenoptera musculus) is the largest cetacean on the planet. While some have claimed that there were dinosaurs that topped its size, there is no scientific data to support that ...
Sperm whales are classified as endangered in the U.S. and are rarely sighted in the region, according to Engleby, marking this presence as a "rare event." The last recorded sperm whale stranding ...
First mate Owen Chase, one of eight survivors, recorded the events in his 1821 Narrative of the Most Extraordinary and Distressing Shipwreck of the Whale-Ship Essex. The other event was the alleged killing in the late 1830s of the albino sperm whale Mocha Dick, in the waters off the Chilean island of Mocha. Mocha Dick was rumored to have ...
A newly discovered ancient species of whale may be one of the largest and heaviest animals on record, a new study has found. A newly discovered colossal whale might be the heaviest animal ever ...