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01 May 1943 Comments Notes 1942 I had excellent opportunities of observing the birds which frequent the southern shores of Ayr Bay, between the mouth of the river Doon and the Heads of Ayr. As a result I have been able to add three new birds to the Ayrshire list, and I include one...

Recovery of Marked Birds

01 May 1943 Comments Main paper Longridge (Lancs), 21.3.42. Hartshorne (Derby) 25.4.42. OkL Buckenham (Norfolk), 5-M*Meare (Som), 25.1.42. Oskarstrom (Hailand), Sweden, 28.3.42. Ely (Cambs), 13.11.42. St. Biazey (Comwall), i r . 1.42. Farnborough (Hants), 23.3.42. Nethera von (Wilts) Ro...

The Aerodynamics of the Drumming of the Common Snipe

01 May 1943 Comments Main paper has been written concerning the drumming of the Common Snipe (Capella g, gaUittago), and the fact that it is caused by the Vibration of the outer pair of tail-feathers, accompanied by the quivering of the wings, has long been well known; the aerodynamics ...

LETTERS: BARK-STRIPPING BY ROOKS; NUMBER OF EGGS LAID BY MISTLE-THRUSH; MANNER IN WHICH YOUNG GUILLEMOTS AND RAZORBILLS LEAVE THE NESTING LEDGES

01 June 1929 Comments ...

BIRD-NOTES FROM THE NORTH ATLANTIC

01 June 1929 Comments ...

NOTES

01 June 1929 Comments ...

THE "WING-CLAPPING" OF THE NIGHTJAR

01 June 1929 Comments ...

Notes

01 November 1928 Comments Notes IN the following cases during 1928, from west Sussex, the period of incubation has been calculated from the day on which the last egg was laid until the day or days of hatching. The fledging-period from the day or days of hatching until the day or days o...

The "Wing-Clapping" of the Nightjar

01 November 1928 Comments Main paper who has closely observed the Nightjar (Caprimulgus europceus) in flight, especially when it is indulging in nuptial display, must have noticed that occasionally it produces a sharp cracking sound, which is mechanical rather than vocal. This sound has been...

Bird-Notes from the North Atlantic

01 November 1928 Comments Main paper THE Oxford University Greenland Expedition of 1928 had to make two crossings of the north Atlantic along a course far above the usual route for shipping between the Old and New Worlds, and as these journeys coincided roughly in time with the end of the sp...

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Notes

Recovery of Marked Birds

The Aerodynamics of the Drumming of the Common Snipe

LETTERS: BARK-STRIPPING BY ROOKS; NUMBER OF EGGS LAID BY MISTLE-THRUSH; MANNER IN WHICH YOUNG GUILLEMOTS AND RAZORBILLS LEAVE THE NESTING LEDGES

BIRD-NOTES FROM THE NORTH ATLANTIC

NOTES

THE "WING-CLAPPING" OF THE NIGHTJAR

Notes

The "Wing-Clapping" of the Nightjar

Bird-Notes from the North Atlantic

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