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Reviews

01 March 1961 Comments Reviews Atlas of European Birds. By K. H . Voous. N e l s o n , London, i960. 284 pages; 419 maps and 355 photographs. 70s. One of the post-war developments in ornithology has been the attention given to bird distribution. There has been a growing realisation of ...

Notes

01 March 1961 Comments Notes Beetles in the plumage of birds.--On 25 th May 1959 I picked up a freshly dead Swift (Apus apus) on the sloping concrete bank of Hilfield Park Reservoir, Hertfordshire. On examining the bird I discovered a single beetle of the species Haltka ohracearighti...

A survey of moulting Shelduck on Knechtsand

01 March 1961 Comments Main paper sand-banks which lies 8.1 nautical miles from the German mainland between Bremerhaven and Cuxhaven. It extends from 8Â°i8'E to 8Â°29'i5"E and from 5 3 V ' i 8 " N to 5 3Â°46'i5"N. Robins Balje is a natural boundary on the south-west side, while the ...

Warbler fluctuations in Oak Woodland in the Severn Valley

01 March 1961 Comments Main paper T w o P R E V I O U S P A P E R S of mine in British Birds (1935, 1950) gave population statistics for the Nightingale (Luscinia megarhynchos) and four species of warbler--Willow Warbler (Pbylloscopus trnchilus), Chiffchaff (PL collybitd), Garden Warbler ...

The contamination of birds with pollen and other substances

01 March 1961 Comments Main paper A s A RESULTof an appeal in a paper by Ash (195 9), further specimens of polleniferous contaminants, some containing other substances, were removed from the heads of migrant birds in i960. The most notable contribution was made by P.H.J, in the Camargue, ...

Letters

01 April 1948 Comments Letters SIRS,--Messrs. Wagstaffe and Williamson's paper (antea, Vol. xl, p p . 322-325), on t h e cabinet colour changes in bird skins, will be read b y all workers in systematic ornithology with great interest. That these changes occur is of course well known, a...

Notes

01 April 1948 Comments Notes IN a recent volume of British Birds (antea. Vol. xxxix, pp. 212 and 340) records are given of Ravens (Corvus c. corax) nesting in heronries. I should like to record that for several years up to 1942, a pair of Ravens nested in a circle of tall pines cont...

The incubation and fledging-periods of the Razorbill

01 April 1948 Comments Main paper THE incubation-period of the British Razorbill (Alca tarda britannica) does not appear to have been accurately recorded. The Handbook of British Birds (Vol. v, p. 146), quotes the incubation-period as "25 days in incubator (F. G. Paynter), 26-30 (O. A. J....

Bird life on Pett level floods, 1941-1943

01 April 1948 Comments Main paper {concluded from p. 70). 1942 {continued). On February 4th, while in a hide, well in the middle of the water, I identified seven Long-tailed Ducks. They came within a few yards of me and two of them were adult drakes, the first I had seen in Sussex. They w...

Further notes on Clutch and brood size in the Robin

01 April 1948 Comments Main paper THE following paper on the breeding biology of the Robin (Erithacus rubecula) is a sequel to that published earlier (Lack, 1946), knowledge of which is assumed. In addition to nesting records for 1946, a number of additional records were received for past...

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Reviews

Notes

A survey of moulting Shelduck on Knechtsand

Warbler fluctuations in Oak Woodland in the Severn Valley

The contamination of birds with pollen and other substances

Letters

Notes

The incubation and fledging-periods of the Razorbill

Bird life on Pett level floods, 1941-1943

Further notes on Clutch and brood size in the Robin

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