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01 October 1983 Comments Notes Prolonged aerial encounters between Hen Harrier and Goshawk On 17th February 1980, I observed a 'ringtail' (female/immature) Hen Harrier Circus cyaneus flying low over a Yorkshire moorland. I watched it for several minutes, after which it was j...

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01 April 1943 Comments Notes MARTINSON of Foresters Lodge, Wolsingham, in the Wear valley, rcports that from January ioth to 28th, 1943, he had under Observation five Two-barred Crossbills (Loxia l. bifasciala). Flocks of the Common Crossbill (Loxia c. curvirostra) have been present...

Skokholm bird observatory homing Experiments 1. 1936-37. Puffins, Storm-Petrels and Manx Shearwaters

01 January 1938 Comments Main paper THE formation of a Bird Observatory at Skokholm, off the South Wales coast, has provided opportunities for testing the homing capacities of various nesting sea-birds, after the manner of Watson and Lashley [8] with other sea-birds, and more recently Ruppe...

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Skokholm bird observatory homing Experiments 1. 1936-37. Puffins, Storm-Petrels and Manx Shearwaters

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