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Birds by name
The two godwit species that occur in the UK - black-tailed and bar-tailed - can be quite tricky to identify. Here are our top tips to help you tell one from the other.
Though their feathers are constantly changing, birds' body shapes stay the same. Instead of concentrating on what colour a bird is, it's also good to look at its other structural features.
(photographed at RSPB Marshside nature reserve, Lancashire, in April, on its way to Iceland to breed)
Image: Steve Round
(photographed on the Wirral in October)