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.

When you open a window at midday and hear birds singing, it can feel like a small gift. In many cases, it is also a clue about what your local environment is doing right, because birds usually invest ...

Song thrush Championed by Cannelle Tassin de Montaigu, Research Fellow in Ecology and Evolution, University of Sussex When ...