Killer whale (Orcinus orca) and Emperor penguins (Aptenodytes forsteri) on pack ice in the Ross Sea, McMurdo Sound, Antarctica

orcinus orca delphinus orca phocaena orca delphinus duhameli aptenodytes forsteri orca (orcinus orca) ice floe ice antarctica adult predator prey group alone fin (dorsal) posing lying in wait back shot overview cold sea orcinus three quarter shot dorsal fin aptenodytes emperor penguin (aptenodytes forsteri) biodiversity apteros cites appendix 2 near threatened species (iucn) nt conservation dependent (iucn) cd february water surface nobody several species ross sea killer whale killer whales orcas (orcinus orca) ice floes sea ice adults predators predatory preys groups single lonely only solo one lone fins (dorsal) posed pose settlings settling watchful be on the watch stalking being on the watch stalk (at steal) view from behind back view back views back sight back shots back sights overviews global sight global sights full length cold seas cold ocean cold oceans three quarter views three quarter view three quarter shots three quarter sight three quarter sights three quarter length dorsal fins emperor penguins biodiversities biological diversity biological diversities conservation dependent species water surfaces watersurface watersurfaces with nobody different species marine dolphin dolphin cetacean marine mammal mammal therapsid synapsid vertebrate chordate wild animal animal pole ice cold environment area meteorological phenomenon meteorology science stage of development individual predation relation between species species enumeration morphology (zoology) morphology organism hunt behavior shot sea marine area delphinidae cetacea mammalia cynodontia therapsida eupelycosauria synapsida tetrapoda tetrapodomorpha rhipidistia sarcopterygii euteleostomi gnathostomata vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota fin spheniscidae sphenisciformes aves sauropsida penguin aptera bird sauropsid environment convention on international trade in endangered species of wild low risk (iucn) lr iucn red list of threatened species water (matter) matter (substance) southern ocean world sea and ocean