Bird migration is changing. What does this reveal about our planet? visualised
Desertas petrels are storm-chasing, long-distance Atlantic migrants breeding only on Bugio Island, numbering about 200 pairs and tracked by GPS revealing their extraordinary routes.
By listening to these birds for decades, scientists track signs of a changing forest
Mapping songbird territories reveals forest habitat quality, with male warblers defending breeding territories through song to attract mates and raise young.