Sunday
Oct092011
Shag - 1980s winter
Sunday, October 9, 2011 at 8:59PM
The BTO winter atlas showed that Shags were present in all coastal and two estuarine 10km squares during the winters of 1981-82, 1982-82 and 1983-84.
The colour for each 10km square represents 1-10 birds seen in a day.
Graham Rees
tagged 1980s BTO winter atlas, GHR in Shag
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