In addition, it is clear that biologically discrete populations of odontocetes can occur independently of strong geographic or oceanographic features. Sperm whale at water's surface. Home Press Center Press Releases. Some fatalities are also caused by pollution and by eating marine debris. Sperm whales are social creatures and often gather in pods of up to twenty animals, mostly females and calves.
Cause of sperm whale strandings is still unclear
Today, commercial whaling is no longer a threat, though the Japanese continue to harvest a number of whales by claiming that these are needed for scientific purposes, though their meat ends up on supermarket shelves in Japan. At this point, growth slows and they produce a calf approximately once every five to seven years. They enjoy both the tropical and the cooler bodies of water. It was once thought that these were only to communicate with each other. Measuring the response of animals to sound.
The Sperm Whale's Deadly Call | Science | Smithsonian
These preferences remain consistent for years, suggesting that the whales remember their distant friends and relatives despite spending most of their lives apart. Since the Sperm Whale is endangered, there are plenty of conservation efforts out there for it. Although listed as an endangered species, population estimates are anywhere between , to as many as 1,, whales. Sperm whales are the largest of the toothed whales and have one of the widest global distributions of any marine mammal species. Large males are 20 meters long, though the average is 16 meters.
Sperm whale at surface Douglas Hoffman. Congratulations to the Regeneron Science Talent Search top winners! This species is featured in the Antarctic eco-region. Further down the body toward the tail there is usually a large hump on the back, followed by a series of smaller bumps 3. Members protect the young, the sick and individuals which are injured very closely, sometimes by forming a protective circle around them. Satellite data backs theory of North Korean nuclear site collapse. Because of how efficiently the Sperm Whale can store oxygen in their blood and muscles, adults can stay submerged for over an hour without taking a breath.