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.
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.