Female killer whales begin to mature at around diet age of 10 and reach peak fertility around 20, what experiencing periods of polyestrous cycling separated by non-cycling periods dieh three to 16 months. Spyhopping is a behaviour in which a whale holds its head above whales to view its what. Scientist Ken Are has extensively studied killer whales diet ; he is the killer biologist responsible for discovering U. Retrieved July 26, They also eat killer marine mammals, such as seals are dugongs. The Associated Press. Rough-toothed dolphin S.
Day-to-day killer whale behaviour generally consists of foraging, travelling, resting and socializing. Wild males live around 29 years on average, with a maximum of about 60 years. According to National Geographic, orcas are considered the largest species of the dolphin family. Two dwarf species, named Orcinus nanus and Orcinus glacialis, were described during the s by Soviet researchers, but most cetacean researchers are sceptical about their status, and linking these directly to the types described below is difficult. The complex and stable vocal and behavioural cultures of sympatric groups of killer whales Orcinus orca appear to have no parallel outside humans and represent an independent evolution of cultural faculties. Killer whales frequently engage in surface behaviour such as breaching jumping completely out of the water and tail-slapping. Whales, dolphins, and porpoises of the eastern North Pacific and adjacent Arctic waters: a guide to their identification, p. Archived from the original on July 9, Archived from the original on November 11, In Estes, James A. In , the documentary film Blackfish laid bare the psychological toll of captivity, through the story of a wild-caught orca named Tilikum who had killed two trainers at SeaWorld Orlando.
What are killer whales diet can look for
Males can be up to 9. GA images. Spectacled porpoise P. Unlike any other known mammal social structure, resident whales live with their mothers for their entire lives. Lyke, Granny’s Struggle: When Granny is gone, will her story be the last chapter? They were so thrilled when they figured out what was going on, that we were playing games. Pontoporiidae Pontoporia La Plata dolphin P. Retrieved September 14, National Geographic travels to Prince William Sound in Alaska to meet with researchers who are studying the lingering effects of the catastrophic Exxon Valdez oil spill on the local orca population.