Contact: Dr. Michaela Hau
Caption: For wild birds, spring does not always start at the same time. Scientists from the Max Planck Institute for Ornithology and colleagues have discovered that day length affects gene activity differentially in the brain of great tit populations from central and North Europe.
Credit: MPI for Ornithology, Radolfzell
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Related news release: Wild birds respond differently to the first long days of a year