Arctic light pollution affects fish, zooplankton up to 200 metres deep
If artificial light shines into the Arctic Ocean during the polar night, does it matter? A new paper in Communications Biology says the answer to this is a strong yes.
Avian songsters
Bird songs have many functions, but their main purpose is to attract a mate. Some of the best avian singers are described below.
A life in the air for birds that rarely land
Common swifts are now slicing through the sky in Norway. Every year they fly the equivalent of four or five times around the Earth to return to their nesting areas.
Risking life for wife
The male willow tit incurs great danger to take care of his mate.
Norwegian winter nights aren’t for sissies
Norwegian mammals and birds have many different methods of surviving long, intense winter nights.
How do small birds survive the winter?
Mature birds are better at surviving the winter than young birds. Older birds have learned a few tricks along the way.