Search

Letters

01 August 1952 Comments Letters SIRS,--The Ibis for April 1953 will include a group of papers on Visible Migration (particularly in passerine birds) as observed in various countries. The newly-formed Sub-committee on Visible Migration of the British Trust for Ornithology (see below) fee...

Notes

01 December 1934 Comments Notes DURING the last week in May, 1934, a pair of Spotted Flycatchers (Muscicapa s. striata) built a nest in a cleft of a climbing rose tree growing against the wall of our house in Norfolk. On May 31st this nest contained four eggs, which were taken. On June...

Territory in the Great Crested Grebe

01 December 1934 Comments Main paper I N their review of territory in bird life, D. and L. Lack (6) consider t h a t the claims for territory have been much exaggerated and that, especially, there is not adequate proof in any species t h a t territorial behaviour has food value. I t was furt...

Search

Letters

Notes

Territory in the Great Crested Grebe

Sign Up to our Newsletter