Species richness
Numbers of species recorded in each hectad
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Contains Ordnance Survey data
© Crown copyright and database right 2013
Distribution map species lists
Breeding change maps
Other species richness maps
© 2014 Glamorgan Bird Club
Winter 1981/82-1983/84
Species
Hectads
0 - 35
0
36 - 50
2
51 - 65
4
66 - 80
5
81 - 95
2
96 or more
4