Sedge Warbler / Telor yr Hesg

Acrocephalus schoenobaenus

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Contains Ordnance Survey data
© Crown copyright and database right 2013

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

Breeding 1968-72

Status

Hectads


Possible

0


Probable

1

6%


Confirmed

9

53%


Total

10

59%


Winter 1981/82-1983/84

Status

Hectads


Present

0


Breeding 1984-89

Status

Tetrads


Present

1

<1%


Possible

8

2%


Probable

6

1%


Confirmed

9

2%


Total

24

6%


Winter 2007/08-2010/11

Status

Tetrads


Present

1

<1%


Breeding 2008-11

Status

Tetrads


Present

13

3%


Possible

15

4%


Probable

4

1%


Confirmed

5

1%


Total

37

9%