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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, they are found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
The Calypso divers study finback, sperm and killer whales, monitoring their migratory habits by planting small tags in their skin. Captain Cousteau also recounts the romance and legend of the great whales. Cousteau and his crew implant tracking devices into whales off the coasts of Madagascar and California.
Diving follows a distinct pattern with most deep foraging dives followed by a closely timed series of shallow dives and recovery near the surface. All foraging dives in these species appear to be much longer than the estimated aerobic dive limits, indicating that the whales generally return to the surface from them with an oxygen debt.
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 ...
Beautiful footage shared to Instagram shows a group of killer whales delighting onlookers as they swim calmly around a boat off the coast of central California.Evan Brodsky captured footage of the ...
Oceanic dolphins or Delphinidae are a widely distributed family of dolphins that live in the sea.Close to forty extant species are recognised. They include several big species whose common names contain "whale" rather than "dolphin", such as the Globicephalinae (round-headed whales, which include the false killer whale and pilot whale).
In 1987, killer whales in Puget Sound donned salmon “hats,” carrying dead fish on their heads. Now, a photo of an orca has observers wondering if the trend has returned. A recent orca sighting ...
The false killer whale is an apex predator, inhabiting tropical and subtropical waters. [32] [33] Generally, the false killer whale targets a wide array of squid and fish of various sizes during daylight hours. [9] [34] They typically target large species of fish, such as mahi-mahi, wahoo and tuna.
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