Sperm whale mating groups

What are Sperm Whale mating rituals like? Ornament" , The History of Mankind. It is listed on Appendix I [] as this species has been categorized as being in danger of extinction throughout all or a significant proportion of their range and CMS Parties strive towards strictly protecting these animals, conserving or restoring the places where they live, mitigating obstacles to migration and controlling other factors that might endanger them. Video footage has been captured of a large male sperm whale "bouncing" a long line, to gain the fish. Physeter catodon feeds mainly on squid especially giant squid , octopus and deepwater fishes, but it also take sharks and skates. Adult males who are not breeding live solitary lives, whereas females and juvenile males live together in groups.

Herman Melville 's novel Moby-Dick is based on a true story about a sperm whale that attacked and sank the whaleship Essex. Articles with Latin-language external links CS1 maint: South Asian river dolphin. According to Fristrup and Harbison , [] sperm whales eyes afford good vision and sensitivity to light.

It may NOT be used within Apps. Archived from the original on 1 September Balaenoptera Common minke whale B. Females become mature at between 7 and 11 years, when they are around 9 metres in length. One hypothesis is that the teeth are used in aggression between males.

The flexible ribcage allows lung collapse, reducing nitrogen intake, and metabolism can decrease to conserve oxygen. They were once thought to be a way by which individuals identified themselves, but individuals have been observed producing multiple codas, and the same codas are used by multiple individuals. Dives of over metres lasting more than one hour have been recorded, though stomach contents recovered from one individual taken at metres contained the remains of a bottom-dwelling shark, suggesting deeper dives may be possible Watkins et al, Young are weaned in about 1. The most important product obtained from giant sperm whales is the oil once used as fuel for lamps and now used as a lubricant and as the base for skin creams and cosmetics. The International Whaling Commission gave the species full protection in but hunting by Japan in the northern Pacific Ocean continued until