Bird feeders delay great tits’ dawn chorus

from newscientist.com

People put up bird feeders to help wild birds survive the winter, but little is known about how they affect behaviour. To find out, Valentin Amrhein of the University of Basel in Switzerland set up feeders in a forested area outside Oslo, Norway, home to territorial great tits (Parus major). Two weeks later they taped the dawn singing of each bird with a feeder in its territory and compared it with birds with no feeder.

Read the rest of the article here.

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