Letters

01 May 1979
Comments Letters A symbol for individuals not adult males The present biological symbols ♂ and ♀ indicate the two sexes, male and female. The suggested introduction of a third symbol {Brit. Birds 71: 544-545) seems strangely illogical. If the...
Read More

Reviews

01 May 1979
Comments Reviews The Herons of the World. By Jame s Hancock and Hugh Elliott. London Editions, London, 1978. 304 pages; 61 colour paintings by Robert Gillmor and Peter Hayman, and line-drawings by Robert Gillmor. £46-00 At first sight, this is an elegant illus...
Read More

Notes

01 May 1979
Comments Notes White Storks migrating at night by utilising oil flares During the evening of 24th February 1978, I witnessed a large movement of White Storks Ciconia ciconia over the Gassi Touil oasis in Algeria (30°N 7°E), the birds apparently using the th...
Read More

Mystery photographs: Gadwall

01 May 1979
Comments Main paper A female (or eclipse male) dabbling duck seen by itself can pose considerable problems in identification. Unless it flaps its wings, the revealing speculum colour often remains completely obscured. The presence of other species for comparison grea...
Read More

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

Subscribe Now