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The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
Orcas (or killer whales) are large, powerful aquatic apex predators. There have been incidents where orcas were perceived to attack humans in the wild, ...
The Iberian orca subpopulation lives in the coastal waters of the Iberian Peninsula and is genetically distinct from other orca populations in the Northeast Atlantic. [1] The orcas follow the seasonal migration of Atlantic bluefin tuna (Thunnus thynnus), their primary food source, gathering in the early spring in the Strait of Gibraltar ...
Killer whales play an important role in our ocean's ecosystem. Female orcas can live up to 90 years, and male orcas live up to 60 years. Whales can communicate through sounds ranging from clicks ...
BY PHUONG LE SEATTLE (AP) -- Scientists studying Puget Sound orcas for the past decade now know they are among the most contaminated marine mammals, with pollutants particularly high in young ...
Captured in 1964, Moby Doll (c. 1959 –9 October 1964) was the first orca to survive in captivity for more than two days, and the second to be displayed in a public aquarium exhibit.
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 ).
The great skua is an aerial apex predator, both preying on other seabirds and bullying them for their catches. [8]Apex predators affect prey species' population dynamics and populations of other predators, both in aquatic and terrestrial ecosystems.