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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).
Bottlenose dolphins repeat another dolphin's signature whistle back in order to address that particular dolphin individually. [11] Unlike other animals, dolphins do not display this behavior in aggressive situations. [11] Humans and dolphins are the only known species to use vocal copying in cooperative contexts. [11]
A common bottlenose dolphin (Tursiops truncatus). A dolphin is an aquatic mammal in the clade Odontoceti (toothed whale).Dolphins belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontoporiidae (the brackish dolphins), and possibly extinct Lipotidae (baiji or Chinese river dolphin).
Wild African elephants may address each other using individualized calls that resemble the personal names used by humans, a new study suggests.. While dolphins are known to call one another by ...
Young dolphins, within the first few months of life, display their creativity by creating a unique sound. ... For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24 ...
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As the name implies, they tend to be found in the open seas, unlike the river dolphins, although a few species such as the Irrawaddy dolphin are coastal or riverine. The Delphinidae are characterized by having distinct beaks (unlike the Phocoenidae), two or more fused cervical vertebrae and 20 or more pairs of teeth in their upper jaws.
A study conducted by Jason Bruck of the University of Chicago showed that bottlenose dolphins can remember whistles of other dolphins they had lived with after 20 years of separation. Each dolphin has a unique whistle that functions like a name, allowing the marine mammals to keep close social bonds.