Willow Tit / Titw'r Helyg

Poecile montanus

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Contains Ordnance Survey data
© Crown copyright and database right 2013

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

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Breeding change maps

Species richness maps

© 2014 Glamorgan Bird Club

Breeding 1968-72

Status

Hectads


Possible

0


Probable

2

12%


Confirmed

11

65%


Total

13

76%


Winter 1981/82-1983/84

Status

Hectads


Present

11

65%


Breeding 1984-89

Status

Tetrads


Present

0


Possible

29

7%


Probable

24

6%


Confirmed

27

7%


Total

80

20%


Winter 2007/08-2010/11

Status

Tetrads


Present

20

5%


Breeding 2008-11

Status

Tetrads


Present

7

2%


Possible

6

1%


Probable

2

<1%


Confirmed

5

1%


Total

20

5%