01 October 1985
Comments Letters Distinction between Mandarin and Wood Duck in female-type plumages. A comprehensive description of differences between Mandarin Aix galericulata and Wood Duck A. sponsa was given by C. Holt {Brit. Birds 11: 227-232). As he noted, however, some of the c...
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01 May 1933
Comments Notes As the Jackdaw (Colceusm. spermologus) is a bird not usually subject to variation, some notes on a local variety seen at Douglas may be of interest. These white-winged Jackdaws are best described as having on the outer primary a white spot or " mirror " e...
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