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Sexing and ageing Rose‐ringed Parakeets Psittacula krameri in Britain
Butler, Christopher J., Gosler, AndrewVolume:
22
Language:
english
Journal:
Ringing & Migration
DOI:
10.1080/03078698.2004.9674305
Date:
January, 2004
File:
PDF, 143 KB
english, 2004