Relations within the species Sperm whale

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sperm whales adopt marguerite formation defend vulnerable pod member.


adult males not breeding live solitary lives, whereas females , juvenile males live in groups. main driving force sexual segregation of adult sperm whales scramble competition mesopelagic squid. females , young remain in groups, while mature males leave natal unit somewhere between 4 , 21 years of age. mature males form loose bachelor groups other males of similar age , size. males grow older, typically live solitary lives. mature males have beached together, suggesting degree of cooperation not yet understood. whales rarely, if ever, leave group.


a social unit group of sperm whales live , travel on period of years. individuals rarely, if ever, join or leave social unit. there huge variance in size of social units. commonly between 6 , 9 individuals in size can have more twenty. unlike orcas, sperm whales within social unit show no significant tendency associate genetic relatives. females , calves spend 3 quarters of time foraging , quarter of time socializing. socializing takes place in afternoon.


when sperm whales socialize, emit complex patterns of clicks called codas. spend of time rubbing against each other. tracking of diving whales suggests groups engage in herding of prey, similar bait balls created other species, though research needs confirmed tracking prey.








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