Mostly hunting. But, if you look close into it, hunting in elephant seals becomes a game where everyone tries to dive deeper and deeper and find a prey in the darkest place. They spend 8 months in the open ocean and have games of their own. Some young females and some of very young ellies can hunt almost everythere around 1 km deep - they are more streamlined, strong, and able to swim faster than old ellies. But, for a deeper dive, you can find an older female still able to hunt - or a 4000-pound male holding his breath for incredibly long time. They do nothing, just _dive_.
Whales can dive for hunting, singing and breeding, fur seals can travel for longest distanses just for curiousity, and some of them do things for some reasons that humans don't have.)
They are adapted well for that, but , after some years of animal's life, it could be done for some other reasons, like curiosity, too. We can't get everything.
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timeasmymeasure
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Date: 2020-01-21 07:11 am (UTC)no subject
Date: 2020-01-21 03:05 pm (UTC)no subject
Date: 2020-01-21 07:36 am (UTC)no subject
Date: 2020-01-21 08:39 pm (UTC)no subject
Date: 2020-01-21 09:04 pm (UTC)Some young females and some of very young ellies can hunt almost everythere around 1 km deep - they are more streamlined, strong, and able to swim faster than old ellies. But, for a deeper dive, you can find an older female still able to hunt - or a 4000-pound male holding his breath for incredibly long time. They do nothing, just _dive_.
Whales can dive for hunting, singing and breeding, fur seals can travel for longest distanses just for curiousity, and some of them do things for some reasons that humans don't have.)
Diving is kinda thing for elephant seals.)
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Date: 2020-01-22 08:55 am (UTC)http://www.coml.org/comlfiles/press/CoML_Beyond_Sunlight_11.17.2009_Public.pdf - this one says they measured one seal diving to that depth of 2300+ m.
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Date: 2020-01-22 05:53 pm (UTC)