Letters

01 November 1990 Comments Letters Sexual dimorphism of Marsh Tit. Both Gosler & King (1989) and Nilsson & Smith (1988) have recently reported sexual dimorphism in the intensity of the black of the cap on Marsh Tits Parus palustris (adults and first-years), males having markedly...
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Notes

01 August 1937 Comments Notes "--As many ornithologists are already aware a new edition of A Practical Handbook of British Birds has been for some time in preparation. We should be very grateful to any of our readers who would now send us notes of any omissions or errors in the origin...
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Notes

01 November 1931 Comments Notes reference to this enquiry, a good many observers have not yet sent in their schedules and are now urged to do so in order that the great labour of collating the information may be commenced without delay. All schedules and communications with reference t...
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