A dolphin who scientists believe could be “lonely ... the researchers also reasoned he could be vocalising in the same way that humans might laugh out loud when reading something funny ...
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Lonely dolphin in the Baltic Sea appears to be talking to himselfDelle the dolphin was born in 2007 ... It could be an emotional outburst, similar to a human laughing or mumbling to himself, or simply sounds to distract oneself. Simply put, Delle could be ...
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