Swifts in sea-breeze fronts

01 June 1967 Comments Main paper G L I D E R P I L O T S often find themselves sharing rising currents of air with birds, sometimes to considerable heights. A source of upcurrents which has been found and used more extensively in recent years is the rising air at the sea-breeze front. Tw...
Read More

Reviews

01 June 1967 Comments Reviews Animal Navigation. By R. M. Lockley. Pan Books, London, 1967. 205 pages; 25 text-figures. 6s. Ornithologists are apt to think of animal navigation as being about the spectacular homing journeys of birds. In this book the author interprets the term very br...
Read More

Notes

01 June 1967 Comments Notes Barn Owl perching on man.--On 14th December 1966, at 3 p.m., I was digging a ditch on the Royal Society for the Protection of Birds' reserve at Leighton Moss, Lancashire, when I saw a Barn Owl Tjto alba hunting along the hedgerow. It soon dropped on to a ...
Read More

News and comment

01 June 1967 Comments News and comment launches major appeal fund.--With an eye set firmly on a target of £100,000, the Royal Society for the Protection of Birds has now launched what must surely be the most ambitious appeal fund ever made by- a voluntary natural history body in this co...
Read More

Letters

01 June 1967 Comments Letters Little Ringed Plovers in Britain during 1963-67 Sirs,--My last report on the increase and spread of the Litde Ringed Plover Cbaradrius dubius in Britain covered the years 1960-62 (Brit. Birds, 57: 191-198), although some information up to 1965 has been gi...
Read More

Letters

01 March 1952 Comments Letters SIRS,--We are hoping to collate information about visible migration over, and on the shores of, the Mediterranean. Very little has been published on the subject and no doubt a good many unpublished records, especially those made on voyages, are in existen...
Read More

Reviews

01 March 1952 Comments Reviews British Bird Boohs : An Index to British Ornithologv, A.D. 1481 to J.I). 1948. By Raymond Irwin (London, Grafton & Co., 1951. 63/-). The title of this book gives a very inadequate idea of its contents since it indexes and classifies, not only books, b u t...
Read More

Notes

01 March 1952 Comments Notes The Display of the Blackbird.--During observations on four pairs of Blackbirds (Turdus merula) in 1949, and on the same four pairs with the addition of another in 1950, the following display was noted. All of the birds concerned were recognizable in the ...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now