Raven / Cigfran

Corvus corax

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Contains Ordnance Survey data
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SN90 - Aberdare (Confirmed breeding) SO00 - Merthyr Tydfil (Confirmed 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 (Probable breeding) ST09 - Abercynon (Confirmed breeding) ST16 - Barry (Confirmed breeding) ST17 - Cardiff West (Probable breeding) ST18 - Caerphilly (Confirmed breeding) ST19 - Ystrad Mynach ST27 - Cardiff East

Breeding 1968-72

Status

Hectads


Possible

1

6%


Probable

2

12%


Confirmed

12

71%


Total

15

88%


Winter 1981/82-1983/84

Status

Hectads


Present

15

88%


Breeding 1984-89

Status

Tetrads


Present

1

<1%


Possible

46

11%


Probable

48

12%


Confirmed

18

4%


Total

113

28%


Winter 2007/08-2010/11

Status

Tetrads


Present

312

77%


Breeding 2008-11

Status

Tetrads


Present

102

25%


Possible

63

15%


Probable

32

8%


Confirmed

36

9%


Total

233

57%