When spring breezes in Friday at 10:46 a.m., you might not see it, but there’s a good chance you’ll hear it. Humans have considered birds to be couriers of spring for as long as both have existed.

In a study conducted at the University of Helsinki, AI was trained to classify bird sounds with increasing accuracy. The results of the study have been used, among others, in the "Muuttolintujen kevät ...