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.
Bird songs have many functions, but their main purpose is to attract a mate. Some of the best avian singers are described below.
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.
The male willow tit incurs great danger to take care of his mate.
Norwegian mammals and birds have many different methods of surviving long, intense winter nights.
Mature birds are better at surviving the winter than young birds. Older birds have learned a few tricks along the way.