Check your answers against our explanations. Remember, there are no ‘trick’ birds or extreme rarities among these...

From a heroic long-distance swimmer to a producer of spectacularly eerie sound effects, the seabirds seen swooping and diving over British waters have all manner of singular skills, says John Lewis-Stempel

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SOUTH WEST Highlights In association with The rarest ...

In the British countryside, it’s common to hear gruff caw-caw-cawing and see large black birds flapping overhead. That’ll be a corvid – but which have you spotted, asks Clare Hunt

MAX MILES ON FOOT: 5 MIN TIME: 4 HOURS