Winter breeding of Shags.--On 19th February 1966, on an islet off Llanddwyn Island, Anglesey, I found eight nests occupied by Shags Pbalacrocorax aristotelis and could see eggs in two of the lower ones. By 27th February heavy seas had washed away all except one nest, but that contained a newly hatched chick which was being fed by one adult. Nearly a year later, on 4th February 1967, J. E. Bebbingt...

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