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The behaviour of a pair of Great Tits at the nest

01 January 1975 Comments Main paper ...

Letters

01 April 1967 Comments Letters Eruptions of Great Tits and other species Sirs,--I was interested in Dr. C. M. Perrins's paper on the effect of the seed crop of the beech Fagus sylvatka on the populations and movements of the Great Tit Partis major (Brit, Birds, 59: 419-432). To strengt...

Hybrid Grey Lag X Canada Goose suggesting influence of Giant Canada Goose in Britain

01 December 1966 Comments Main paper of 1962, at Millom, south Cumberland, a male Grey Lag Goose Anser anser mated with a female Canada Goose Branta canadensis. The Canada Goose, which was perfectly normal in all its plumage characters, had flown in to join a flock of Grey Lags maintained in...

The vocabulary of the Great Tit

01 October 1961 Comments Main paper T H E V O C A B U L A R Y of the Great Tit (Parus major) is notorious for its variety. Nicholson (1936) remarked that "a proper description of the Great Tit's language would almost require a book to itself, for no other British bird uses such a wide varie...

The post-fledging dispersal of Juvenile Titmice

01 August 1952 Comments Main paper T H E dispersal of young' birds away from their birth-places has been studied for a number of species by different authors. Kluijver (1951), Koskimies (1948), Kratzig (1939) and Plattner & Sutter (1946, 1947) have all made studies of dispersal in the Grea...

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 ...

Notes

01 May 1946 Comments Notes DURING a continuation of observations on migration in the Trent Valley near Nottingham in 1945, the following species were noted, most of the records being the first for the county and therefore worthy of-record. ICTERINE WARBLER (Hippolais icterina),--A...

Notes

01 March 1935 Comments Notes I SPENT the months August-November (inclusive), 1934, on holiday at Salcombe, south Devon. Most of my time was engaged in bird-observing, and the following notes may be of interest:-- CUCKOO (Cuculus c. canorus).--One was calling strongly on Bolt Head, e...

Notes

01 September 1934 Comments Notes A BLUE T I T (ParUS C. obscurus) had possession of one of my nesting boxes in Hampshire and laid an egg on each of four successive days. The next day, May 8th, no egg was laid, but another appeared on the 9th. I should say that I numbered each egg the da...