House Sparrow / Aderyn y Tô
Passer domesticus
Breeding 1984-89 vs 2008-11
Breeding 1968-72
Winter 1981/82-1983/84
Breeding 1984-89
Winter 2007/08-2010/11
Breeding 2008-11
Hide topography
Show rivers
Show woodland
Show urbanisation
Major towns
Birding sites
Contains Ordnance Survey data
© Crown copyright and database right 2013
Distribution map species lists
Breeding change maps
Species richness maps
© 2014 Glamorgan Bird Club
Gains and improvements
Status
Tetrads
Absent to present/possible
19
Present/possible to probable/confirmed
10
Absent to probable/confirmed
27
No change
Status
Tetrads
Present/possible
1
Probable/confirmed
206
Losses and declines
Status
Tetrads
Present/possible to absent
6
Probable/confirmed to present/possible
60
Probable/confirmed to absent
28