European robins and North American cousins often begin singing before sunrise. Scientists say it’s driven by a mix of biology and behavior, including the need to claim territory, attract mates, and communicate in low light. Robins also respond to light cues, including artificial sources, which can change their singing schedule and make dawn feel earlier than it is.
A new study finds urban birds consistently fly faster when approached by women than by men, a pattern seen across multiple European countries and several bird species. Researchers say the birds may be picking up subtle human cues that are still unidentified. The findings point to unexpectedly sharp sensing abilities in city wildlife and could reshape how scientists think about human-animal interactions in urban spaces.
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