Tuesday
Jul232013
Rook - 1949 status

Corvus frugilegus frugilegus
Resident and numerous. Rookeries in 1945 were 147, containing 9,664 nests (James Fisher - BTO national survey). Marked spring migration at Skokholm during March and April.
R.M.Lockley, G.C.S.Ingram, H.M.Salmon, 1949, The Birds of Pembrokeshire, The West Wales Field Society
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