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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...

Field notes on the nesting habits of the Great Northern Diver

01 January 1950 Comments Main paper (Plates 1--9). THE following notes on the Great Northern Diver (Colymbus immer) were made chiefly at a nest on the great lake of Thingvallavatn in South-west Iceland during June, 1949. They are supplemented by field notes made during the previous June in ...

The pseudo-sleeping attitude of the Oyster-catcher

01 January 1950 Comments Main paper (Fair Isle Bird Observatory) IT IS well-known from the work of Makkink (1942) and Edwards et al. (1948) that in certain situations the Oyster-catcher (Hcematopus ostralegus) adopts a " pseudo-sleeping " attitude. The bird stands on one or both legs, with ...

Letters

01 January 1950 Comments Letters SIRS,--I have delayed answering the letter on the above subject from Mr. P. H. T. Hartley (British Birds, xli, pp. 254-255) because the data then available only served to justify his remark that " more investigation is needed." I examined the two sets of ...

Reviews

01 January 1950 Comments Reviews [The Editor regrets t h a t owing to an unfortunate period of ill-health a number of reviews and notices of local reports have been considerably delayed. It is hoped to get up to date with these in the numbers immediately following]. Bird Recognition. Vol...

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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

Field notes on the nesting habits of the Great Northern Diver

The pseudo-sleeping attitude of the Oyster-catcher

Letters

Reviews

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