A sighting of adult sei whales (Balaenoptera borealis) in the Drake Passage, Southern Ocean

2 animal age animal animal group animalia animals above water adult adult animals adult animal animal theme animal themes antarctic balaenidae balaenoptera borealis balaenoptiidae baleen whale baleen whales cetacean cetaceans color color image color images colour image colour colour images cetacea drake passage day days free flen from the side full length fully grown great whale great whales habitat habitats horizontal horizontals in the wild landscape mammalia mysticeti mammal mammals marine animal marine animals 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 ocean outdoors outside over water place of interest pair site of interest sites of interest sea animals sea animal sea creatures sea creature seas and oceans sei whale sei whales sei seis side view side views two two animals whale whalebone whale whalebone whales wild animal wild animals wild life wild life water whales wildlife wild s083 s083 te