Buteo lagopus

Rough-legged Buzzard

Main author: Tobias Lilja Nordin, September 2019.

Supplemented by: Magnus Hellström, September 2019.

Citation: Ottenby Bird Observatory. 2015. Ringers’ DigiGuide – Buteo lagopus. www.ringersdigiguide.ottenby.se

MOULT

                     Adult         Young

Summer       SC*             –

Winter           –                –

First adult SC: Moult initiated during 2cy spring (c. April-May, sometimes even before spring migration). The moult is usually arrested before or during autumn migration, with some retained outermost juv PP (at Ottenby often 2-4 retained), and often also a few juv SS and RR.

Subsequent adult SC: Moult initiated during spring (c. May-June), regularly with two centres in the PP. The moult is usually arrested before or during autumn migration.

AGE:

Autumn

SEX:

Autumn

Ringers’ DigiGuide is sponsored by: