Rough-legged Buzzard
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Buteo lagopus
Very scarce Winter visitors to Eastern England from Scandinavia between-November-March.
Breeds in Scandinavia.
Adults are predominantly brown and white, and often shows a high degree of speckling.
A broad brown chest-band is present in most plumages and a square dark carpal patch contrasting with the white under-wing is an easily identifiable characteristic in light morph individuals.
A wide variety of plumage patterns are exhibited in light vs. dark morphs, Males vs. Females, and Adults vs. Juveniles.
They have a downward slurring whistle, sounding like kiu wiyuk or a lengthy descending kee-eer & is given in flight or from a perch every 15–30 seconds.