Notes

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...
Read More

Notes

01 April 1929
Comments Notes IN previous notes in British Birds on egg-daubing by the Jackdaw {Colceus m. spermologus) I can find no record of first and second layings of the same bird in the same season having been found bedaubed: so the following instance may be of interest. The f...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now