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mammal > carnivore > weasel > sea otter > adult sea otter
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adult sea otter comparison table
Subject have breeding season have average number of babies give birth to stay underwater for rely on reach sexual maturity by is a kind of swim weigh eat give birth in have length be clumsy has part be active have colour carry suckle sleep
sea otter      weasel            
adult sea otterspring or summer  15-150 secondsits thick fur for insulation3 yearssea otterwell sea urchins, mussels, crabs, limpets, snails, fish  on land all winterrusty red, brown, almost black, usually paler on the throat, chest and head  on it back in patches of kelp
adult female sea otterspring or summer1live babies15-150 secondsits thick fur for insulation3 yearsfemale mammalwell19.7 kgsea urchins, mussels, crabs, limpets, snails, fishspring1-1.3 mon landtwo teatsall winterrusty red, brown, almost black, usually paler on the throat, chest and headher baby on her chestbabieson it back in patches of kelp
adult male sea otterspring or summer  15-150 secondsits thick fur for insulation3 yearsmale mammalwell34.4 kgsea urchins, mussels, crabs, limpets, snails, fish 1.27-1.63 mon land all winterrusty red, brown, almost black, usually paler on the throat, chest and head  on it back in patches of kelp

Next sea otterbaby sea otter    Upsea otter