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Recent reports

01 January 1968 Comments News and comment (These are largely unchecked reports, not authenticated records) This summary is basically concerned with the month of November, but also includes a few relevant records from early December and some belated observations relating to the July-October period...

News and comments

01 January 1968 Comments News and comment N e w Protection of Birds Act.---The Protection of Birds Act 1967, which comes into force this month, contains a number of provisions that will affect many keen field-ornithologists and bird-photographers in England, Scotland and Wales. Any person wishing...

Letters

01 January 1968 Comments Letters Little or White-rumped Swift ? Sirs,---The interesting article by I. J. Ferguson-Lees on Apus affinis {Brit. Birds, 60: 286-290) prompts me to raise two points. The first is the choice of the vernacular name 'White-rumped Swift' in preference to that of '...

Notes

01 January 1968 Comments Notes Feeding relationship between mullet and Herring Gulls.--On 26th August 1967, at Cape Clear Island, Co. Cork, I watched a shoal of mullet Mugil sp. swimming in ten feet of water alongside a small trawler tied up in the North Harbour. These mullet were lift...

Diving times of grebes

01 January 1968 Comments Main paper During August to October 1966 I made regular observations on the diving of the Pied-billed Grebe Podilymbus podkeps which lived in a well-defined territory on the west side of Chew Valley Lake, Somerset (Ladhams, Prytherch and Simmons 1967). The results p...

Black-browed Albatross on the Bass Rock

01 January 1968 Comments Main paper From May to August 1967 an adult Black-browed Albatross Diomedea melanophris stayed on the Bass Rock, East Lothian, where it consorted with the Gannets Sula bassana in this well-known colony in the Firth of Forth. It was first identified by Professor W. H...

Movements of Cormorants ringed in the British Isles

01 January 1968 Comments Main paper Several species of birds have been shown to have marked differences in their patterns of migration according to their geographical distribution during the breeding season. For example, the wintering areas of the Swallows Hirundo rustica breeding in centra...

Notes

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 ...

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Recent reports

News and comments

Letters

Notes

Diving times of grebes

Black-browed Albatross on the Bass Rock

Movements of Cormorants ringed in the British Isles

Notes

Recovery of Marked Birds

The Aerodynamics of the Drumming of the Common Snipe

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