Up and coming hip hop stars hone their skills in one-on-one contests where they trade insults in rhyme against a music background until one is judged the winner.
Now it appears that songbirds are doing something very similar.
The sweet chorus of chirping sparrows may be a welcome sound in millions of gardens but they are actually swapping insults with each other like battling rappers, new research reveals.
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| Photo: Glenn Copus; Sparrow playing the dozens |
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