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Reviews

01 February 1961 Comments Reviews Vara Faglar i Norden (Our Birds in the North). Second edition edited by Kai Curry-LindaM (Swedish text). Bokforlaget Natur och Cultur, Stockholm, 1959 and i960. Volumes I and II, 1022 pages; coloured and black-and-white plates, and maps, (Four volumes: Sw...

Notes

01 February 1961 Comments Notes Ring-necked Duck in Co. Armagh.--A male Ring-necked Duck (Aythya collaris) stayed on the lake in the Public Park, Lurgan, Co. Armagh, from 20th March till 1st May i960 and was seen on many occasions by various observers. It then disappeared, but returned ...

Some photographic studies of the Nightjar

01 February 1961 Comments Main paper I N G E N E R A L W E TRY to publish photographs for their biological interest or because they illustrate points of identification, rather than for their aesthetic value. This aim is always borne in mind in the selection and presentation of the photograph...

An interpretation of variation in the dark-headed forms of the Yellow Wagtail

01 February 1961 Comments Main paper variation to be seen in the Yellow Wagtail (Motacilla flava). T h e chief mistake made by most investigators has been that of splitting the group into too many forms on the basis of too few specimens, the most flagrant example of this being in the monogra...

The " Lesser Scaup " problem

01 February 1961 Comments Main paper observations in Britain of ducks that were thought to be Lesser Scaups (Aythya affinis), a North American species not recorded in Europe. This note is based on a detailed examination of one of these --that first seen at Sutton Courtenay, Berkshire, in Dec...

Letters

01 February 1961 Comments Letters The Len Howard Appeal Sirs--All readers of Miss Len Howard's books Birds as Individuals and Living with Birds have been distressed to learn that her life's work is threatened by building on the land next to her garden sanctuary. For twenty-one years Miss ...

Birds of the North Atlantic and Newfoundland Banks in July and August, 1950

01 June 1951 Comments Main paper ...

Distraction-Display In The Kentish Plover

01 June 1951 Comments Main paper T H E general form of the reaction patterns of breeding' Kentish Plovers (Leucopolius alexandrinus) to potential predators has been outlined by Selous (1927), but no detailed description has yet appeared in the literature. The behaviour of Kentish Plovers...

Letters

01 June 1951 Comments Letters SIRS,--The Council of the Scottish Ornithologists' Club have pleasure in intimating that a "Rare Birds' Protection" Committee has been formed to work in close conjunction with the Royal Society for the Protection of Birds, and the following have kindly co...

Books Received

01 June 1951 Comments Main paper West Midland Bird Distribution Survey.--Compiled and produced by C. A. Norris. (Published for Private Circulation). A Book of Ducks.--By Phyllis Barclay-Smith. (Penguin Books, 3/6). Animal Evolution.--By G. S. Carter. (Sidgwick & Jackson, 30/-). Zoogeogra...

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Reviews

Notes

Some photographic studies of the Nightjar

An interpretation of variation in the dark-headed forms of the Yellow Wagtail

The " Lesser Scaup " problem

Letters

Birds of the North Atlantic and Newfoundland Banks in July and August, 1950

Distraction-Display In The Kentish Plover

Letters

Books Received

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