Sage, B, Rossetti, K, Thomas, M. J, Simmons, D. K. E. L, Wall, T, Glower, G, Piotrowski, S. H, Summers-Smith, D & Moore, D. R / September 1983 – vol. 76, issue 9, pp 406–413 Hen Harrier with rufous-orange underparts A large harrier Circus with rich rufous-orange underparts was present on Fair Isle, Shetland, from 25th August to 8th October 1982. It was a large, heavy ring-tail, whose silhouette at times recalled Marsh Harrier C. aeruginosus. It was clearly too heavy for Montagu's Harrier C. pygargns, and its unpatterned face ruled out that species and Pallid Harrier... This article is only available to registered users.To read more, please log in or purchase a subscription.