From an article, by a then prominent member of the Club, which first appeared in ‘British Birds’ volume 71 (page 338-345), in August 1978.
Bird and place names were spelt as shown. For their current status, please see our county lists.
Fig. 1. Four types of Herring Gull Larus argentatus observed at Cannock Reservoir[1], Staffordshire/ West Midlands, during winters of 1974/75 and 1975/76. From left to right: type A (L. a. argenteus?), type B (L. a. argentatus), type C (L. a. argentalus: lauruseri-type variant), type D (yellow-legged type).
[1^] Cannock Reservoir is know known as Chasewater.
Reproduced by kind permission of British Birds 
.
Ornithology in Staffordshire, Warwickshire, Worcestershire & the West Midlands county, since 1929.
Fetched from http://www.westmidlandbirdclub.com/bibliography/british-birds/71-338-fig1.htm on Sunday 19 May 2013 05:22:58
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