Marsh Tit / Titw'r Wern
Poecile palustris
Breeding 1984-89
Breeding 1968-72
Winter 1981/82-1983/84
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 1984-89
Status
Tetrads
Present
0
Possible
40
10%
Probable
31
8%
Confirmed
17
4%
Total
88
22%