Lesser Black-backed Gull / Gwylan Gefnddu Leiaf
Larus fuscus
Breeding 1968-72
Winter 1981/82-1983/84
Breeding 1984-89
Winter 2007/08-2010/11
Breeding 2008-11
Breeding 1984-89 vs 2008-11
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Contains Ordnance Survey data
© Crown copyright and database right 2013
Distribution map species lists
Breeding change maps
Species richness maps
© 2014 Glamorgan Bird Club
Breeding 1968-72
Status
Hectads
Possible
2
12%
Probable
2
12%
Confirmed
7
41%
Total
11
65%