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Notes

01 October 1940 Comments Notes DURING a visit to Aranmore in May, 1886, Mr. H. M. Wallis observed Tree-Sparrows (Passer montanus), probably only one pair, frequenting the roof of a cabin and the adjoining fields (Zoologist, 1886, p. 489, and Trans. Norfolk and Norwich Nat, Hist Soc, I...

Notes

01 August 1940 Comments Notes ON June 4th, 1940, on a common in Cheshire I found a nest of a Tree-Pipit (Anthus t. trivialis) with recently hatched young. The parent bird sat very close after going down with food, whilst I was searching for the nest; when it left the nest it fluttere...

Notes

01 July 1940 Comments Notes AT a rookery in Surrey, on March 30th, 1940, at 12.5 p.m., Rooks (Corvus f. frugilegus) were seen to change over at the nest. One bird--obviously a male--flew in and standing on the nest edge fed his plainly visible mate. During the meal wing-action by t...

Notes

01 May 1939 Comments Notes IN May, 1937, I watched a hen Blackbird (Turdus m. merula) at the weir at Cropston Reservoir, Leicestershire, catching what I took to be minnows, but they may have been sticklebacks. The fish had been stranded in small shallow pools and were swimming abo...

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...

Skokholm bird observatory homing Experiments 1. 1936-37. Puffins, Storm-Petrels and Manx Shearwaters

01 January 1938 Comments Main paper THE formation of a Bird Observatory at Skokholm, off the South Wales coast, has provided opportunities for testing the homing capacities of various nesting sea-birds, after the manner of Watson and Lashley [8] with other sea-birds, and more recently Ruppe...

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...

Notes

01 February 1936 Comments Notes ON January 17th, 1936, the Prime Minister, the Archbishop of Canterbury, the Chancellor and Vice-Chancellor of Oxford University and others launched a Viscount Grey Memorial Appeal, one of whose objects is to develop " the existing scheme of research main...

Letters

01 February 1935 Comments Letters SIRS,--May I say something on this vexed subject ? I speak of those territorial species whose young depend upon insects for food. Three sets of facts seem connected :-- (i) T h a t in a cold and wet breeding season we find infertile eggs, chicks dead in t...

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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Notes

Notes

Notes

Notes

Notes

Skokholm bird observatory homing Experiments 1. 1936-37. Puffins, Storm-Petrels and Manx Shearwaters

Further Notes on Territory in the Great Crested Grebe

Notes

Letters

Territory in the Great Crested Grebe

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