Search

Letters

01 December 1977 Comments Letters Black-headed Gulls foot-paddling on grassland Joh. J. Frieswijk's letter (Brit. Birds 70: 266), recording frequent observations of Black-headed Gulls Larus ridibundus foot-paddling on grassland in the Netherlands, contrasted with my note drawin... Read More

Letters

01 January 1966 Comments Letters Birds trapped by sludge or m u d Sirs,--I was most interested to read the note by G. L. Webber {Brit. Birds, 5 8: 296-297) on 'Birds trapped by sludge on a sewage farm'. I have found at Freckleton sewage farm and various other sites in Lancashire, includi... Read More

Letters

01 May 1946 Comments Letters SIRS,--Mr. N. D. Pullen, Mr. H. G. Hurrell and Miss N. C. Hicks (antea, Vol. xxxviii, pp. 206, 300 and 360) have drawn attention t o an interesting problem of behaviour. I have observed t h e " digging " in the bottom of the nest, as described by the abov... Read More

Letters

01 April 1929 Comments Letters SIRS,--The observations conducted b y Messrs. Ingram and Salmon on the dives of the Long-tailed Duck (antea, p . 264) reopen a veryinteresting question, and one which, I think, is still some way from being satisfactorily answered. In estimating the averag... Read More