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Letters

01 August 1977 Comments Letters Melanistic Grey Heron Bryan L. Sage (in litt.) has confirmed that, when making his recent comment (Brit. Birds 70: 76), he had overlooked my record of a melanistic Grey Heron Ardea cinerea at Little Tring Reservoir, Tring, Hertfordshire, on 29th S...

Notes

01 November 1963 Comments Notes IT has long been known that, in the Common Crossbill (Loxia curvirostra) the mandibles cross indifferently on either side in different individuals. Recently, however, for a special purpose, I desired to ascertain whether or not individuals having the man...

Notes

01 May 1963 Comments Notes FOE some years now I have been paying particular attention to the nestlings of common birds. It is of course now known to all ornithologists that the parents keep the nest clean (as a general rule) by carrying away the excrement, and often by swallowing ...

Notes

01 April 1963 Comments Notes W E have received a good many schedules relating to these two inquiries (see Vol. VI., pp. 296-311, and Vol. VII, pp. 4-6), but we sincerely hope that many more of our readers will send in particulars. This should now be done without delay, and if the fo...

Reviews

01 November 1956 Comments Reviews By DAVID LACK (Methuen, London, 1956). 239 p a g e s ; 10 half-tone plates; 24 text illustrations. 21s. N O T the least striking feature of that astonishing building, the University Museum of Science at Oxford, is the tower; for behind the ventilator sha...

Notes

01 September 1953 Comments Notes Nesting of Curlew on river shingle-beds.--Of late years Curlews (Numenius arquata) have been nesting in increasing numbers on inland pastures and meadows in Northumberland, whereas formerly they were birds of the moorlands, nesting on heather-clad hills ...

Notes

01 July 1948 Comments Notes DURING the spring of 1947 I saw what certainly appeared to be bigamous behaviour by a male Rook (Corvus f. frugilegus) Unfortunately, the observations were rather disjointed, a continuous watch not being possible. On March 14th a well-advanced nest was s...

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....

Notes

01 July 1946 Comments Notes Ox February 22nd, 1946, I received word from David Reid that a pair of Ravens {Corvus c. corax) were building a nest in a small Ayrshire heronry. I visited the site two days later and the nest, which could be distinguished from the Herons' by the presenc...

Birds of inner London

01 June 1946 Comments Main paper D U R I N G the year under review (1945), there has been one new record for Inner London, viz., t h e White-fronted Goose (Anser albifrons), a flock of this species having been seen by Mrs. Rait Kerr crossing over Lords on February 17th. Mr. Holte Macpher...