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Some radar measurements of the alitiude of bird flight

01 January 1975 Comments Main paper ...

News and comment

01 October 1965 Comments News and comment Ainsdale Sand Dunes National Nature Reserve.--The Nature Conservancy have purchased 1,216 acres of sand dunes between Ainsdale and Formby on the Lanca shire coast and the area has now been statutorily declared as the Ainsdale Sand Dunes National Nature Re...

Letters

01 October 1965 Comments Letters T h e w i n g pattern of the female Great Bustard Sirs,---In his recent article on 'Flight patterns of the European bus tards' (Brit. Birds, 58: 43-47), Philip J. Stead wrote with reference to the Great Bustard Otis tarda: 'The wing patterns of both sexes...

Notes

01 October 1965 Comments Notes Turnstone feeding on dead sheep.--On ist March 1964,8 day of heavy mist, we were walking along the shore at Steart Point, Somer set, when we came across the carcase of a sheep. A Carrion Crow Corvus corone and two Great Black-backed Gulls Larus marinttsfl...

Studies of less familiar birds: 136. Red-breasted Flycatcher

01 October 1965 Comments Main paper central Europe through Russia and right across Siberia and northern Mongolia to Anadyr, Kamchatka and probably Sakhalin Island, with isolated populations in the Caucasus and northern Iran, and in the western Himalayas (Dementiev.and Gladkov 1954, Vaurie 1...

Puffinosis among Manx Shearwaters on Skokholm

01 October 1965 Comments Main paper I N V A R I O U S P A P E R S , Dane, Miles and Stoker (1948-5 3) havedescribed a virus disease, puffinosis, which causes epizootics (animal epidemics) among Manx Shearwaters Procellaria (=T?uÃŸnH$) puffinus on Skomer Island, Pembrokeshire, I n the past...

Letters

01 May 1963 Comments Letters S I R S , -- I n t h e article on Incubation, b y Mr, Erie B. Dunlop (antea, p. 109), t h e writer s a y s : " Another bird which rears few young compared to t h e number of eggs it lays is t h e Great-erested Grebe. Four or five eggs are very frequently ...

Notes

01 May 1963 Comments Notes FOE some years now I have been paying particular attention to the nestlings of common birds. It is of course now known to all ornithologists that the parents keep the nest clean (as a general rule) by carrying away the excrement, and often by swallowing ...

The Sequence of Plumages of the Rook, With Special Reference to the Moult of the " Face."

01 May 1963 Comments Main paper I T has always been a disputed point as to whether the Rook (Oorvus f. frugihgus) gets its bare " face " by means of abrasion of the feathers or by a moult. Most ornithologists have favoured the moult theory or have regarded it as a " natural peculiarity....

ON THE MORE IMPORTANT ADDITIONS TO OUR KNOWLEDGE OF BRITISH BIRDS SINCE 1899. Part 9.

01 November 1908 Comments Main paper ...

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Some radar measurements of the alitiude of bird flight

News and comment

Letters

Notes

Studies of less familiar birds: 136. Red-breasted Flycatcher

Puffinosis among Manx Shearwaters on Skokholm

Letters

Notes

The Sequence of Plumages of the Rook, With Special Reference to the Moult of the " Face."

ON THE MORE IMPORTANT ADDITIONS TO OUR KNOWLEDGE OF BRITISH BIRDS SINCE 1899. Part 9.

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