Search

The Iceland Gull in winter

01 December 1950 Comments Main paper 'FOR some obscure reason the Glaucous Gull (Lams hyperboreus) became comparatively numerous in Shetland waters during the winters of the late war. Since then its numbers have dropped back to the normal few. Whatever was the reason for this fluctuation, t...

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 ...

The formation and persistence of Pairs in the Marsh-Tit

01 December 1950 Comments Main paper years ago Morris (1870) in the second edition of his History of British Birds remarked of the Marsh-Tit (Parus palustris) that " the male is believed to choose a partner for life," though unfortunately the species was not then distinguished from the Willo...

Editorial

01 December 1950 Comments Editorials WE are asked by the publishers to announce that the annual subscription to British Birds is to be raised by one shilling. We regret having to remind readers that the cost of living is rising, but we regret still more having to make this increase, small t...

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now

Search

The Iceland Gull in winter

Nestling mortality amongst tits on Tentsmuir, 1949 and 1950

The formation and persistence of Pairs in the Marsh-Tit

Editorial

Sign Up to our Newsletter