Pallid Harrier Circus macrourus added to Dianne Barber's Britain 2025 year list (BOU), 17 Apr 2025. 165 species
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Both IOC and Clements have been updated to the latest published versions. Time to sort out your Northern/Hen Harriers, Great Grey/Northern Shrikes, Glossy Swiftlet confusions, lose a Thayer's Gull but get back a Lesser Redpoll!
