Killer whales, a beutiful large mammal, largest of th dolphin family. The scientific order of all types of whales is Cetacea. This large order is broken down into three further groups as well: the toothed whales or Odontoceti, which includes killer whales, dolphins, porpoises, beluga whales, and sperm whales, the baleen whales or Mysticeti, which include blue whales, humpback whales, gray whales, and right whales, and the Archaeoceti order, which are all now extinct. The …
showed first 75 words of 1834 total

showed last 75 words of 1834 total
…doors. They also produce whistles. They make these sounds at any time and at all depths. The sounds vary in volume, wavelength, frequency, and pattern. Each individual sound that a killer whale makes is termed a call. Calls that sound the same way time after time are stereotyped calls. All the stereotyped calls in a killer whale's repertoire make up a vocalization system called a dialect. Pods that associate with one another share certain calls.