Explore why birds sing in the morning. Discover the biological factors behind their vibrant morning chorus and joyful songs.

Birds are singing almost an hour longer each day: Here's why By Michael Franco August 21, 2025 The researchers know that birds sing longer in light-polluted areas, but aren't sure if that's a positive ...

Before sunrise, birds begin to sing. But now, they’re starting earlier and finishing later—thanks to us. A new study published in Sciencefinds that artificial light is shifting birds’ daily routines ...

City birds are working overtime because of light pollution, according to a new study. Researchers found that birdsong continues throughout a longer portion of the day in areas with more artificial ...