August 1958 – vol. 51, issue 8–290 DURING THE SUMMER of 1956 we visited the north-east of Iceland for the purpose of studying and filming; the breeding of the Iceland Gyr Falcon (Falco rusticolus islandus). The expedition was in the Myvatn area from 9th to 21st J u n e . W e wish to record our most grateful thanks to D r . Finnur Gudmundsson, William F . Palsson and Sverir Trygvsson, without whose help and advice we should have ach... This article is only available to registered users.To read more, please log in or purchase a subscription.