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Notes

01 February 1976 Comments Notes Peregrine and Raven possibly contaminated by Fulmar oil With reference to R. A. Broad's paper on Fulmar Fulmarus glacialis oil contamination (Brit. Birds, 67: 297-301), the following observations of possible oiling may be of interest. On 10th J...

The effect of Beech crop on Great Tit populations and movements

01 January 1975 Comments Main paper ...

Letters

01 December 1950 Comments Letters SIRS,---A note recently published in British Birds (antea, p. 89) commenting on the presence of Bewick's Swans a t Malltraeth, suggests t h a t the status of this species in Anglesey is t h a t of a n occasional visitor. These birds are, however, more reg...

Nestling mortality amongst tits on Tentsmuir, 1949 and 1950

01 December 1950 Comments Main paper F O R experiments in the value of tits as controls for insect pests in woods I have put up some 500 nest boxes in 20 sites round Perth. Some of these sites are as much as 40 nv'les to the north of Perth, others in Tentsmuir about 20 miles to the east. In ...

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Notes

The effect of Beech crop on Great Tit populations and movements

Letters

Nestling mortality amongst tits on Tentsmuir, 1949 and 1950

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