Annual population of sperm whale
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The sperm whale (Physeter macrocephalus) or cachalot /ˈkæʃəˌlɒt, ˈkæʃəˌl oʊ/ is the Mature males average 16 metres (52 ft) in length but some may reach .. Genetic analysis indicates that the world population of sperm whales.
Although there is considerable uncertainty about sperm whale population . may have been affected by whaling, lowering potential population growth rates.
Sperm whale
Description:Sperm Whale Other names: This name takes precedence over P. Top Sperm Whales Physeter macrocephalus are the largest of the odontocetes toothed whales and the most sexually dimorphic cetaceans, with males considerably larger than females Whitehead a. Adult Sperm Whale females may grow to lengths of 11 m and weigh 15 tonnes, while adult males reach about 16 m and may weigh as much as 45 tonnes Rice The lower jaw is narrow and underslung Jefferson et al. It is the only living cetacean that has a single blowhole asymmetrically situated on the left side of the head near the tip.
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