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Contact: Tilo Arnhold
Helmholtz Association

Anja Russ, Helmholtz Association

Caption: This is the biologist Anja Ruß holding a fresh Ringed Blackbird male in his hand. Together with helpers she has observed and 2011 and 2012 a total of 15 weeks, in the spring of the behavior of blackbirds in a 215 acre area in Leipzig evaluated.

Credit: André Künzelmann / UFZ

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Related news release: Artificial lighting and noise alter biorhythms of birds

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