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Letters

01 September 1977 Comments Letters ...

Notes

01 May 1955 Comments Notes The " Dungeness " ringing pliers.--Designed at Dungeness Bird Observatory to facilitate neat and quick ringing, the pliers shown on plate 31 have met with a good reception by many ringers and it is felt that those who have not yet tried them might be inte...

Notes

01 March 1938 Comments Notes I HAVE paid particular attention to the singing of Crossbills (Loxia c. curvirostra) for some years, on and off, and I find that the song can be divided into four main varieties. In attempting to describe these songs below, I use the two sound descriptio...

Further Notes on Territory in the Great Crested Grebe

01 August 1936 Comments Main paper THE writers (6) have previously published an account of territorial fighting in the Great Crested Grebe (Podiceps c. cristatus) on Frensham Ponds, Surrey, between 1932 and 1934. On Great Pond (69! acres) six to seven pairs nested close together with no ob...

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...

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Letters

Notes

Notes

Further Notes on Territory in the Great Crested Grebe

Territory in the Great Crested Grebe

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