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Article
J. C. Coulson, AuteurCapsule: To maintain the breeding numbers in Britain, Black-legged Kittiwakes Rissa tridactyla need to produce a mean of 0.8–1.5 fledged young per year.Aims: To obtain a new estimate for the number of young Kittiwakes fledged per pair required t[...]
Article
J. C. Coulson, Auteur ; B. A. Coulson, AuteurThe degree of philopatry in two new Black-legged Kittiwake Rissa tridactyla colonies in northeast England was studied for 36 and 16 successive years, respectively. There was a tendency in both colonies for the number of recruits to the breeding [...]
Article
J. C. Coulson, Auteur ; J. A. Fairweather, AuteurThe breeding of Black-legged Kittiwakes Rissa tridactyla in their last breeding season has been compared with that of pairs which survived to the next breeding season. The lime of laying was not affected but the clutch size. breeding success and[...]
