Researcher Stephanie Martin takes a blubber biopsy using an arrow fired from a crossbow of an adult blue whale (Balaenoptera musculus), South Orkney islands, Antarctica, Southern Ocean

1 animal age animal group animal animalia animals above water adult animal adult adult animals animal themes animal theme balaenidae balaenoptera musculus balaenoptera physalus balaenoptiidae baleen whale baleen whales blue whale blue whales cetaceans cetacean color images color image color colour image colour colour images cetacea defence defending days day environmental issues environment environmental free flen from the side full length fully grown great whales great whale green issues habitat habitats horizontal horizontals in the wild landscape mammalia mysticeti mammal mammals marine animals marine animal mature natural phenomena natural phenomenon natural worlds natural world nature natural environment natural environments natural habitat natural habitats naturally no one no people no person no body no one nobody one animal one outdoors outside over water place of interest protection research researched researcher researches researching site of interest sites of interest sea animals sea animal sea creatures sea creature side view side views surface surfacing the environment whale whalebone whale whalebone whales wild animal wild animals wild life wild life whales wildlife wild s083 s083 te