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 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(...)
Bird Study Vol 23 N°2 June 1976 : The Journal Of The British Trust For Ornithology. Sommaire :Observations On The Breeding Of The Golden Plover In Great Britain - Post-Breeding Moult Of The Lapwing -(...)
Bird Study Vol 16 N°2 June 1969 : The Journal Of The British Trust For Ornithology. Sommaire : Seasonal Fluctuations Of A Bird Population On The Coast Of The Var France - Spring Migration Of The(...)
Bird Study Vol 20 N° 2 June 1973 : The Journal Of The British Trust For Ornithology. Sommaire : Species Extinction In Birds - The Red-Bacjed Shrike : A Vanishing British Species - Bird Populations Of(...)
Bird Study Vol 18 N°2 June 1971 : The Journal Of The British Trust For Ornithology. Sommaire : Age Of First Breeding And Adult Survival Rates In The Swift - Notes On Oenanthe Species In Winter In(...)
Bird Study Vol 21 N°2 June 1974 : The Journal Of The British Trust For Ornithology. Sommaire : Speciation And Specialisation - Movement And Survival Of British Razorbills - Territorial And Feeding(...)
