Given that the closing date for the first three stages of the twelfth `Marathon' was extended to 30th April, the solution to the first two stages, photos 185 and 186, will appear in the June issue of British Birds.155. `Monthly Marathon'. Photo no. 188. Fourth stage in twelfth `Marathon'. Identify the species. Read the rules (see page 36), then send in your answer on a postcard to Monthly Marathon, c

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