Shelduck / Hwyaden yr Eithin

Tadorna tadorna

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Contains Ordnance Survey data
© Crown copyright and database right 2013

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

Breeding 1968-72

Status

Hectads


Possible

1

6%


Probable

1

6%


Confirmed

2

12%


Total

4

24%


Winter 1981/82-1983/84

Status

Hectads


Present

8

47%


Breeding 1984-89

Status

Tetrads


Present

0


Possible

3

1%


Probable

5

1%


Confirmed

10

2%


Total

18

4%


Winter 2007/08-2010/11

Status

Tetrads


Present

22

5%


Breeding 2008-11

Status

Tetrads


Present

18

4%


Possible

0


Probable

4

1%


Confirmed

6

1%


Total

28

7%