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Papers from Ringing Group Reports Barrie Galpin, 15 Top Lodge, Fineshade, Near
Corby, NN17 3BB As a result of the list of abstracts published in the last edition of R&M and of a letter sent to Ringing Group secretaries, more yearly reports have been sent to the BTO library. Many of these contain very interesting analyses showing, for example, local population trends and ringing recoveries. Those papers which are likely to be of interest to a wide national or international audience and which describe studies that involve ringing or handling birds have been summarised below. Many ringers also write papers which appear in County Bird reports, Bird Club magazines, Observatory Reports, Nature Reserve publications and so on. If you would like an abstract published of a paper that you have written in an informal publication of this sort, please draw my attention to it. If you would like to receive a copy of any of the original papers listed below, you should contact the BTO librarian, giving the full details of the paper you require. Photocopying cost 5p per sheet for members and 10p per sheet for non-members. Please include a stamped addressed envelope and payment for the copies required. Cresswell, B. Site and habitat preferences of nesting and roosting Nightjars.Stour R.G. Report 1992, pp 33-35. Use of radio-tracking to overcome the problem of locating Nightjars. Open forest clearings were favoured nest sites, while most daytime roosting occurred in mature plantations. Dodd, S. (1993-4) Weight loss in Dunlin over high tide..SCAN R.G. Report, p 36. Two catches of Dunlin either side of a high tide showed that over 1% of body weight was lost in a period of four hours. Dunn, P.J. A problem Treecreeper.East Yorkshire R.G. Report 1997, pp 27-32. Discussion of the difficulties identifying a probable migrant Treecreeper which exhibited characteristics both of the Scandinavian nominate race Certhia familiaris familiaris and also of the Short-toed Treecreeper Certia brachydactyla. Includes photographs of wings. Ekins, G. The Abberton Reservoir Tree-nesting Cormorant Colony.Essex Bird Report, 1994, pp 153-167. Report on study involving colour-ringing. Indicates colony has many characteristics of continental sinensis populations rather than British coastal carbo colonies. Griffith, S.C. Sexual selection in the House Sparrows of Lundy.Lundy Field Society 48th Annual Report, 1997 pp 31-34. Unusually high levels of mate fidelity are reported in this isolated population. The relationship between size of the male's throat patch and reproductive success is also discussed. Martin, A. A key to ageing Siskins.Stour R.G. Report 1992, pp 39-41. Discussion of the three commonly recognised criteria and suggestion of the use of a fourth – degree of primary wear. Moyes, S., Robertson, D. & Yule, B. A Study of Water Rail (Rallus aquaticus) in the Tay Reedbeds, 1991-4.Tay R.G. Report 1996-7, pp 13-22. Specially designed traps and radio tagging of 10 birds enabled a very large population of Water Rails to be studied. Reed-bed management techniques, predators and variation in population structure are discussed. The use of radio tags was considered to be of only limited value. Roberts, G.C.M. A study of wintering Blackcaps in a suburban garden site at East Cosham, Portsmouth, 1969-96.Hampshire Bird Report 1995, pp 140-145. This long-term study which includes colour-ringing describes the increasing presence of this species during the winter. Site fidelity, winter territories, duration of stay, diet and feeding behaviour are described. Robertson, D. The structure of a Goldfinch (Carduelis carduelis) flock in winter.Tay R.G. Report 1996-7, pp 4-7. Biometrics of 48 Goldfinches caught at a site in Fife suggest that birds of both the British and continental races were present. Criteria for ageing and sexing are discussed Whitton, D. Bibliography from Tay Ringing Group Reports, 1971-1995. |
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