Search

Unequal sex-ratio, mortality causes and pollutant residues in Long-eared Owls in Britain

01 October 1996 Comments Main paper Recent reports have indicated an uneven sex-ratio among wintering Long-eared Owls Asio otus, in favour of males in Norway and females in Britain. Harvey & Riddiford (1990) found a ratio of 28F : 8M among trapped autumn migrants on Fair Is...

Letters

01 May 1982 Comments Letters Tail-lengths of Long-eared and Short-eared Owls Would A. H. Davis and Robin Prytherch like to comment on the statement in British Birds 69: 281-287 that the Long-eared Owl Asio otus has a shorter tail than the Short-eared Owl A.flammeus? The me...

Notes

01 May 1982 Comments Notes Dark eye-patch of Fulmar M. Densley's paper on Ross's Gull Rhodostethia rosea (Brit. Birds 72:23-28) drew attention to the structure and possible function of dark, bristle-like feathers surrounding the eyes of that species in winter plumage. A ...

Field identification of Long-eared and Short-eared Owls

01 August 1976 Comments Main paper ...

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now

Search

Unequal sex-ratio, mortality causes and pollutant residues in Long-eared Owls in Britain

Letters

Notes

Field identification of Long-eared and Short-eared Owls

Sign Up to our Newsletter