Marsh Tit / Titw'r Wern

Poecile palustris

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

Breeding 1968-72

Status

Hectads


Possible

2

12%


Probable

2

12%


Confirmed

11

65%


Total

15

88%


Winter 1981/82-1983/84

Status

Hectads


Present

13

76%


Breeding 1984-89

Status

Tetrads


Present

0


Possible

40

10%


Probable

31

8%


Confirmed

17

4%


Total

88

22%


Winter 2007/08-2010/11

Status

Tetrads


Present

26

6%


Breeding 2008-11

Status

Tetrads


Present

16

4%


Possible

7

2%


Probable

1

<1%


Confirmed

0


Total

24

6%