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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, ...

Recent reports and news

01 June 1960 Comments News and comment The items here are largely unchecked reports, and must not be regarded as authenticated records. They are selected, on the present writers' judgement alone, from sources generallyfound to be reliable. Observers' names are usually omitted for reasons of sp...

Notes

01 June 1960 Comments Notes Piracy by GadwalL--On 30th December 1959, near Cley, Norfolk, we watched four Gadwall (Anas strepera) worrying a drake Red-crested Pochard (Netta rufina), apparently with the aim of robbing it of its food. They followed it very closely and whenever it div...

Some notes on the Rufous Warbler

01 June 1960 Comments Main paper T H I S P A P E R is based primarily on observations made from May to October 1958 at Khanaqin in eastern Iraq, a border town on the banks of the Alwand River in the foothills of the Jebel Hamrin Mountains, about 90 miles north-east of Baghdad. When I arr...

The distribution and numbers of Kittiwakes and Guillemots at St. Kilda

01 June 1960 Comments Main paper T H E R E A R E several reasons why no attempt has previously been made to describe in detail the distribution and numbers of the Kittiwake (Rissa tridactyla) and the Guillemot (Uria aalge) at St. Kilda. The colonies are extremely difficult of access, bei...

Juvenile and winter plumages of the Marsh terns

01 June 1960 Comments Main paper Migration Research Officer, B.T.O. (Plate 36) I D E N T I F I C A T I O N of the three British marsh terns (Chlidonias spp.) outside the breeding season has long constituted a problem for the bird-watcher. There is a cautionary note in The Handbook of Bri...

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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

Recent reports and news

Notes

Some notes on the Rufous Warbler

The distribution and numbers of Kittiwakes and Guillemots at St. Kilda

Juvenile and winter plumages of the Marsh terns

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