Free Content Census of the British Ring-necked Parakeet Psittacula krameri population by simultaneous counts of roosts

Authors: Pithon J.A.1; Dytham C.1

Source: Bird Study, Volume 46, Number 1, 1 March 1999 , pp. 112-115(4)

Publisher: British Trust for Ornithology

Keywords: Psittacula

Language: English

Document Type: Miscellaneous

Affiliations: 1: Department of Biology, University of York, PO Box 373, York YO10 5YW, UK

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