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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.
Sperm whale and bottlenose whale. 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).
Spermaceti is taken from the spermaceti organ (yellow) and junk (orange) within the sperm whale's head. Raw spermaceti is liquid within the head of the sperm whale, and is said to have a smell similar to raw milk. [8] It is composed mostly of wax esters (chiefly cetyl palmitate) and a smaller proportion of triglycerides. [9]
Scientists studying the sperm whales that live around the Caribbean island of Dominica have described for the first time the basic elements of how they might be talking to each other, in an effort ...
Sperm whales, Sharma said, also use a two-level combination of features to form codas, and codas are then sequenced together as the whales communicate. The lower level has similarities to letters ...
A sperm whale beached off the coast of Venice, Florida, has died following attempts to save it, officials said Monday. National Oceanic and Atmospheric Administration officials are planning to ...
The dwarf sperm whale (Kogia sima) is a sperm whale that inhabits temperate and tropical oceans worldwide, in particular continental shelves and slopes.It was first described by biologist Richard Owen in 1866, based on illustrations by naturalist Sir Walter Elliot.
Sperm whales are listed as an endangered species in the U.S. Eventually, the whale's carcass is likely to be either towed out to sea, taken to a landfill or buried, officials said. It was ...