whale

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whale

see CETACEAN.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
He said: "I thought it was a killer whale but it's so rare to see them I wasn't sure at first.
This might explain why the Type D killer whale was hidden so well!
The National Oceanic and Atmospheric Administration felt confident enough to trumpet the discovery of the long rumored killer whale on Thursday.
The clear and calm waters of Reisafjorden, in Norway's Far North, have in recent years become the winter playground of the Scandinavian country's killer whale population.
According to a press release by the research team, the killer whale is one of the most widespread mammals on Earth and is found in all of the world's oceans from pole to pole.
According to a press release by the research team, the killer whale is one of the most wide-spread mammals on Earth and is found in all of the world's oceans from pole to pole.
According to their calculations, about half the killer whale populations in the world will stop expanding and then will shrink in coming decades.
Together with colleagues from a wide range of international universities and research institutions, researchers from Aarhus University have documented that the number of killer whales is rapidly declining in 10 out of the 19 killer whale populations investigated and that the species may disappear entirely from several areas within a few decades.
Half of the earth's killer whale population could be destroyed in decades by toxic chemicals being dumped in oceans, scientists warn.
The move won't come as a surprise to anyone who's seen the 2013 documentary Blackfish, which followed the life of performing killer whale Tilikum who caused the deaths of several people while in captivity at SeaWorld.
"Studies of other killer whale groups have found that different 'types' have very different behaviours, including different vocal dialects that they use to communicate with each other, and they rarely mix and do not interbreed.