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Orcas are apex predators, meaning that they themselves have no natural predators. They are sometimes called "wolves of the sea", because they hunt in groups like wolf packs. [61] Orcas hunt varied prey including fish, cephalopods, mammals, seabirds, and sea turtles. [62]
Killer whales are apex predators, meaning that they themselves have no natural predators. They are sometimes called the wolves of the sea, because they hunt in groups like wolf packs. Killer whales hunt varied prey including fish, cephalopods, mammals, sea birds and sea turtles.
Orcas or killer whales have a cosmopolitan distribution and several distinct populations or types have been documented or suggested. Three to five types of orcas may be distinct enough to be considered different races , [ 1 ] subspecies , or possibly even species [ 2 ] (see species problem ).
On June 3, Spong gave a presentation at the UBC campus, during which he concluded that the Vancouver Aquarium should put its captive orcas "back into the ocean." The following day, aquarium director Murray Newman ended Spong's contract. [87] A few years later, Farley Mowat visited Vancouver to promote his book A Whale for the Killing (1972).
Their primary calls, which differ from residents, are composed of a series of click-like vocalizations and harsh, screaming sounds primarily used to frighten and trap prey when hunting. The primary diet of transient orcas includes harbor seals , Steller sea lions , harbor porpoises , Dall's porpoises , Pacific white-sided dolphins , and Minke ...
Although the term "bird of prey" could theoretically be taken to include all birds that actively hunt and eat other animals, [4] ornithologists typically use the narrower definition followed in this page, [5] excluding many piscivorous predators such as storks, cranes, herons, gulls, skuas, penguins, and kingfishers, as well as many primarily ...
The novel was the first in the third sequence of the Courtney series of novels, and as of 2013 was chronologically the first in the entire series. Smith says the book established the characteristics of the family: "Right from Birds of Prey... the Courtneys were pirates, merchants, looking to seize the main chance. They were very much driven by ...
Prior to 2015, it was believed that orcas entering into the False Bay area only preyed on marine mammals but reports of the pair hunting copper shark and ocean sunfish soon began. [5] However, the duo's most notable prey have been great white sharks. The sharks began washing ashore in 2015 with nothing but their livers removed.