In a fascinating comparison of weight gained by Red Knot and Ruddy Turnstone during spring migration in Delaware Bay, on America’s east-coast flyway, Anna Tucker and colleagues show that Knot are f…

A narrow forest road takes us to the chain blocking the entrance, with a sign “Area closed – bear danger”. Ranko Milanovic, Tara National Park ranger, leaves the car to open the passage.

A long-term nestbox initiative in Norway has seen the rare Ural Owl increase from a handful of nesting sites to 23 occupied boxes by 2022. More than 450 nestboxes were monitored, showing growing colonisation across the country's south-east forest border with Sweden. While the species remains vulnerable due to prey cycles and forest management, this targeted conservation effort offers a valuable model for raptor recovery and habitat-linked restoration.

David Campbell discusses his favourite family of birds, recalling memorable encounters old and new.