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. 2. Flight appearance and wing-tip pattern of four types of Herring Gull Larus argentatus observed at Cannock Reservoir[1], Staffordshire/ West Midlands, during winters 1974/75 and 1975/76. From left to right: type A (L. a. argenteus?), type B (L. a. argentatus), type C (L. a. argentatus: thayeri- 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-fig2.htm on Friday 29 August 2008 04:42:30
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