Barn Owl / Tylluan Wen

Tyto alba

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Contains Ordnance Survey data
© Crown copyright and database right 2013

SN90 - Aberdare SO00 - Merthyr Tydfil (Present) SS87 - Porthcawl (Present) SS88 - Pyle SS96 - Llantwit Major SS97 - Bridgend SS98 - Pencoed SS99 - Rhondda ST06 - Roose (Present) ST07 - Ely Valley ST08 - Llantrisant ST09 - Abercynon ST16 - Barry ST17 - Cardiff West ST18 - Caerphilly ST19 - Ystrad Mynach ST27 - Cardiff East

Distribution map species lists

Breeding change maps

Species richness maps

© 2014 Glamorgan Bird Club

Breeding 1968-72

Status

Hectads


Possible

5

29%


Probable

3

18%


Confirmed

8

47%


Total

16

94%


Winter 1981/82-1983/84

Status

Hectads


Present

3

18%


Breeding 1984-89

Status

Tetrads


Present

1

<1%


Possible

3

1%


Probable

1

<1%


Confirmed

4

1%


Total

9

2%


Winter 2007/08-2010/11

Status

Tetrads


Present

47

12%


Breeding 2008-11

Status

Tetrads


Present

15

4%


Possible

5

1%


Probable

3

1%


Confirmed

11

3%


Total

34

8%