Bird Study Vol 19 N°2 June 1972 : The Journal Of The British Trust For Ornithology. Sommaire :Food On The Rook In Britain - Bird Prey Taken By British Owls - Behaviour Of The Tystie During Feeding Of(...)
Bird Study Vol 2 N°2 June 1955 : The Journal Of The British Trust For Ornithology. Sommaire : The Breeding Habits And Food Of Short-Eared Owls After A Vole Plague - Annual Report Of The Edward Grey(...)
Bird Study Vol 24 N°2 June 1977 : The Journal Of The British Trust For Ornithology. Sommaire : Feeding Ecology Of The Short-Eared Owl In Britain And Ireland - Ireland Wintering Of Gulls In England And(...)
