May 1971 – vol. 64, issue 5–223 Plates 29-34 Compared with its well-known relative, the Canary Serinus canaria, of the Canary Islands, Azores and Madeira, the Serin S. serinus is smaller and not so brightly coloured. In many ways it bears more resemblance to the Siskin Carduelis spinus and this applies particularly to the females of the two species. Its small size, sober plumage and inconspicuous way of life mean that it is ofte... This article is only available to registered users.To read more, please log in or purchase a subscription.