Nestling mortality amongst tits on Tentsmuir, 1949 and 1950
01 December 1950
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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