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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What is the Biggest Whale? | Smithsonian Ocean
They have the largest brain of any creature known to have lived on Earth. Their heads also hold large quantities of a substance called spermaceti. Whalers once believed that the oily fluid was sperm, but scientists still do not understand the function of spermaceti. One common theory is that the fluid—which hardens to wax when cold—helps the whale alter its buoyancy so it can dive deep and rise again. Sperm whales are known to dive as deep as 3, feet in search of squid to eat.
Types of Whales - Whale Species in Antarctica
Sperm whales are the largest predators on earth and have the biggest head of all animals. They can dive to depths of three kilometers, being able to switch all bodily functions to standby-mode. Sperm whales are the best whales to start whale watching, by far. First of all, sperm whales are the most famous and most well known Moby Dick!
Singapore: another class caning under way, 2007. South Africa: senior male secondary student undergoing "six of the best" at private school, 2012 (also video clip) South Africa: boy being caned in elementary classroom, 1999. South Africa: high-school boy being caned, 2006. South Africa: high-school girl being caned, 2016 (also video clip) South Africa: senior schoolgirls being caned, 2013 (also video clip) South Africa: secondary students caned at school gate as they arrive late, 2014.
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