For naturalist and writer Amy-Jane Beer, the scratchy song of a reed warbler reminds her of a superstar DJ. In a marshy corner of a lake in Yorkshire she comes across this tiny brown-beige bird ...

Recently classified as a subspecies of the Guam Reed-warbler, it is said to become extinct in the 1960s due to the introduction of non-native plants, animals, and habitat degradation in Guam. The ...