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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
Zygophyseter could reach an estimated length of 6.5 to 7 meters (21 to 23 ft), compared to the 12.5-to-18.5-meter (41 to 61 ft) modern sperm whale. [11] It is thought that this whale had twelve thoracic vertebrae and at least ten lumbar vertebrae. The type specimen had only 8 thoracic vertebrae preserved, and only the atlas of the neck vertebrae.
Macroraptorial sperm whales occupied the same niche as killer whales (Orcinus orca). Using their large and deeply rooted teeth, wide-opening jaws, and great size, they likely fed on a variety of sea life, including fish, cephalopods, seals, and small whales and dolphins, occupying a niche similar to the modern day killer whale (Orcinus orca).
The sperm whale or cachalot [a] (Physeter macrocephalus) is the largest of the toothed whales and the largest toothed predator.It is the only living member of the genus Physeter and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus Kogia.
The sperm whale (Physeter macrocephalus) is the largest species of toothed whale, with adult bulls (males) growing to be about 15–18 m (49–59 ft) long, and weighing about 45–70 metric tons (44–69 long tons; 50–77 short tons). The two kogiid species are much smaller, around 2.5 to 3.5 m (8 ft 2 in to 11 ft 6 in) in length, and weighing ...
The Sperm Whale: Sperm whale: 7 August 2011 1: The Camel: Dromedary camel: 30 August 2011 2: The Dinosaur Bird: Southern cassowary: 6 September 2011 3: The Leatherback Turtle: Leatherback sea turtle: 13 September 2011 4: The Racehorse: Thoroughbred horse: 20 September 2011
Researchers of chatty creatures like bats, bees, songbirds and whales gather many hours of sound or video recordings and then plug that data into AI language models, the way we might with tools ...
Livyatan melvillei is an extinct species of sperm whale that lived about 9.9 to 8.9 million years ago, during the Miocene epoch. The name was inspired by the biblical sea monster Leviathan, and Herman Melville, the author of Moby-Dick. It was probably an apex predator, preying on whales and seals.