British researchers say Bluebirds shout to be heard over noise made by humans

 A new research in Britain shows that Bluebirds shout to be heard over noise that is produced by humans.

Ecologists at the University of Exeter say the birds modify their songs immediately after noise levels get stronger, such as sounds from traffic. The results suggest that birds are able to recognize increases in noise and respond accordingly. The researchers say the study could help improve the understanding of environmental constraints on animal communication. The findings could also enhance awareness of what sorts of human changes can impact animals and how humans could reduce any negative effect of such disturbances.

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