A fly-past not seen for 400 years: How the first flock of British cranes since the 16th century were set free

Its piercing cry echoed over our marshes and wetlands - until it was hunted to extinction. But 400 years on, the crane is making a comeback.

Experts who want to return the species to its former habitat have hatched eggs from Germany and are reintroducing a flock of 20. - By David Derbyshire