Black Grouse / Grugiar Ddu
Tetrao tetrix
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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
0
Probable
0
Confirmed
1
<1%
Total
1
<1%