In August 1969, there was the start of a huge influx of Curlew Sandpipers Calidris ferruginea with over 19,000 bird-days from 250 localities. The peak came on 31st August, when there were at least 3,500 present. The all-time ringing total was more than doubled, from 311 to 718. (Brit. Birds 64: 146; 65: 379).

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