May 1973 – vol. 66, issue 5, pp 226–227 In 1968 I had the opportunity of observing the behaviour of some Robins Erithacus rubecula which had been hand-reared after accidents had destroyed their nests. The behaviour of two young that had been reared together appeared quite normal, but in one instance a solitary bird had been reared in isolation. This bird showed the fixation on humans typical of individuals in such circumstances, but als... This article is only available to registered users.To read more, please log in or purchase a subscription.