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Chaffinch calls | The British Library
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Birdsong identification for beginners: 20 common songs and calls | Natural History Museum
Birds learn what danger sounds like | Science News
This Is The World's Loudest Bird - The Dodo
Alarm and mobbing calls | The British Library
Starlings are the unsung comedians of the garden
Birds Learn Socially to Recognize Heterospecific Alarm Calls by Acoustic Association - ScienceDirect
Attenborough: the amazing Lyre Bird sings like a chainsaw! Now in high quality | BBC Earth - YouTube
World's loudest bird call sounds like a 'sexy' fire alarm to females - National | Globalnews.ca
