Our night sky is heavily light-polluted which has a far-reaching impact on our ecosystem, changing daily and seasonal timing of a multitude of organisms we share our environment with. At the NIOO-KNAW, we team up with ecologists and chronobiologists all across the Netherlands to restore healthy rhythms for ourselves and in our natural environment.
Songbirds change their behaviour and timing when nestboxes are exposed to artificial light at night. "They become light sleepers, literally and metaphorically", says Maaike de Jong (NIOO-KNAW). She successfully defended her thesis on the effects of different colours of light at Wageningen University on Friday. The most surprising effect she's found? Some birds are forced to become more monogamous...