Under the bird ring's spell

Under the bird ring's spell
Ringing of wild birds has become indispensable as a research method to track individual birds. Since 1911, some 16 million birds have been fitted with a metal ring in the Netherlands. What has that brought in terms of knowledge, protection and policy? And what do new tracking techniques add? We dive into the world of meadow birds, goose visits and infectious diseases.
Read more about Under the bird ring's spell