Sperm whales number of blowholes
Sperm whales are the largest of the toothed whales and have one of the widest global distributions of any marine mammal species. They are found in all deep oceans, from the equator to the edge of the pack ice in the Arctic and Antarctic. They are named after the waxy substance, spermaceti, found in their heads. Spermaceti was used in oil lamps, lubricants, and candles. Sperm whales were a primary target of the commercial whaling industry from to Whaling greatly reduced all sperm whale populations.
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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. The sperm whale is a pelagic mammal with a worldwide range, and will migrate seasonally for feeding and breeding. The females cooperate to protect and nurse their young. Females give birth every four to twenty years, and care for the calves for more than a decade.
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Baleen whales like humpbacks, blue whales, gray whales, bowhead whales, etc. Toothed whales like sperm whales, beluga whales, dolphins, etc. At the surface of the water, whales open their blowhole s and exhale air explosively through their blowhole. This exhaled air from the blowhole is called the blow and usually forms a gusher or a bushy stream of misty air and vapor. This is immediately followed by inhalation of fresh air, and the blowhole s close again.
Sperm whales are the largest of the toothed whales. Spermaceti is a high-quality oil and was used originally in lamp oil and later as an industrial lubricant, in cosmetics, automatic transmissions and pharmaceutical compounds; making this species highly valuable to whalers. Sperm whales have 20—26 pairs of cone-shaped teeth in their narrow lower jaw. Each tooth is 10 to 20 cm long and can weigh as much as one kilogram.