Notes on Colour Variation and Habits of Short-eared Owl
01 March 1935
Main paper
(Plate 3). April and May, 1934, I was engaged in studying Short-eared Owls (Asio f. flammeus) on a forest at Newcastleton, in Roxburghshire, in the course of an enquiry in which the British Trust for Ornithology is co-operating with the Oxford University ...
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