Orcas, or killer whales, are the largest of the dolphins and one of the world's most powerful predators. They feast on marine mammals such as seals, sea lions. Watch: Killer Whales Charge Blue Whale (Rare Drone Footage) Orcas, also known as killer whales, are known to prey on other marine. Der Schwertwal (Orcinus orca) ist eine Art der Wale aus der Familie der Delfine (Delphinidae). . Oceanic and Neritic Killer Whales (ozeanische und neritische Killerwale): Solche Populationen sind beispielsweise an der amerikanischen Merkmale · Ökotypen · Lebensweise · Sterblichkeit und. Then the whales split into two groups. Killer whales are considered a cosmopolitan species , and can be found in each of the world's oceans in a variety of marine environments, from Arctic and Antarctic regions to tropical seas. Diese verschiedenen Schwertwal-Typen werden als Ökotypen bezeichnet. Whales, whaling and ocean ecosystems. Redirecting to the Gizmodo store in. Navy Sonar May Harm Killer Whales, Expert Says. The identified seven ecotypes inhabit isolated ecological niches. Killer whales in many areas may prey on cormorants and gulls. Males sexually mature at the age of 15, but do not typically reproduce until age Diese wirft das Beutetier von der Eisscholle. In the Pacific Northwest, wild salmon stocks, a main resident food source, have declined dramatically in recent years. Differences include their appearance, behavior, acoustics, and what they eat. But even these fearsome predators don't stand much of a chance against a mature blue whale: Killer whales have the second-heaviest brains among marine mammals  after sperm whales , which have the largest brain of any animal. Skip to main content. Dazu schwimmen teilweise mehrere Schwertwale in einer Reihe auf den Strand zu, um den Robben den Weg abzuschneiden. Retrieved December 24, Retrieved July 12, The killer whale's use of dialects and the passing of other learned behaviours from generation to generation have been described as a form of animal culture. Killer whale pectoral finsanalogous to forelimbs, melissa weiner large and rounded, resembling paddles. Why Orcas Should No Longer Be Kept in Captivity" PDF. Support provided by a grant from the Mountaineers Foundation. Killer Whales Attacked a Blue Whale—Here's the Surprising Reason Why.