Those who live near nightingale nests know all too well that the males often sing all night.
Yet the birds aren't considered nocturnal animals, as they feed, socialize, and do most of their singing during daylight hours.
"We were really curious why it was that some nightingales were singing in the middle of the night," said Valentin Amrhein of the University of Basel in Switzerland, lead author of a new study on the birds.
Lees meer: National Geographic News
Yet the birds aren't considered nocturnal animals, as they feed, socialize, and do most of their singing during daylight hours.
"We were really curious why it was that some nightingales were singing in the middle of the night," said Valentin Amrhein of the University of Basel in Switzerland, lead author of a new study on the birds.
Lees meer: National Geographic News
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