Short-eared owl

This month’s challenge is all about the identification of long-legged birds

The white-tailed eagle, the UK’s largest bird of prey, was brought back from extinction – and it all started with an ambitious project on a mountainous Scottish island, half a century ago...

Birds of prey in flight have a reputation for being very tough to identify. However, follow these guidelines and you have a good chance of telling these five larger species apart. Note photos are not to scale.

Scourge of the bird feeder and a master of ‘shock and awe’ assassinations, the sparrowhawk pursues its quarry with such tenacity and unpredictability that it often blindsides its prey

PHOTOS, LETTERS, TWEETS, QUESTIONS – HAVE YOUR SAY

It’s the largest member of its worldwide family, but has it ever reached the UK, asks David Lindo