An animal behaviour expert gives his view on finding that a killer whale can copy the sound 'hello'.
L’expertise universitaire, l’exigence journalistique
Articles sur animal sounds
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Humans tend to associate cats purring with happiness, but in turns out they also purr when in pain, hungry and alone.
A robust technique using the wonders of digital media has helped researchers understand how threatened species like frogs are faring on our globally changing planet.
