Orphaned baby birds are being played CDs of the dawn chorus to help them learn to sing.
Experts at the RSPCA are playing the fledglings their specific bird song twice a day before they're set free.
A study found that birds brought up by humans often can't sing, which can make it more difficult for them to survive in the wild.
Birds use their singing to mark out their own territory and also to seek out mates.
I think that it is great that people are helping birds to survive. It is amazing on how people thought of the idea of playing CDs to birds to help them learn how to sing.
http://news.bbc.co.uk/cbbcnews/hi/newsid_7450000/newsid_7456700/7456792.stm
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