Dear Kitty. Some blog

This video from England is called Excerpts from a month in front of a European Nightjar nest in the Forest of Dean in 2018.

From Lund University in Sweden:

The moon determines when migratory birds head south

October 16, 2019

A new study from Lund University in Sweden shows that the presence or absence of moonlight has a considerable bearing on when migratory birds take flight in the autumn.

Together with colleagues at the Department of Biology at Lund University, Gabriel Norevik studied European nightjars (Caprimulgus europaeus) and how the lunar cycle and moonlight affects the departure time when the birds start their three-month-long migration flight to areas south of the Sahara.

Using miniature data loggers, the researchers charted the activity of 39 European nightjars over a one-year period. The results show that the birds are more than twice as active in their hunt for insects during moonlit nights…

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