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Letters

01 July 1968 Comments Letters The role of sunbathing in birds Sirs,--Sunbathing has been the subject of repeated comment in British Birds (for example, J. Gibb, 40: 172-174; V. C. Wynne-Edwards, 40: 256; N. Rollin, 41: 304-305; and, more recently, C. W. Teager, 60: 361-363 and D. Good...

Reviews

01 July 1968 Comments Reviews Pigeons and Doves of the World. By Derek Goodwin. Trustees of the British Museum (Natural History), London, 1967. 446 pages; three colour plates; many maps and line-drawings. £6 6s. In his opening paragraph, Derek Goodwin writes of feral pigeons bri...

Notes

01 July 1968 Comments Notes Little Grebes choking to death on fish.--On ioth March 1968, at Brompton-on-Swale, near Catterick, Yorkshire, J. V. Anderson discovered a freshly dead bird on the river bank, with a fish jammed in its bill. I visited the spot with him the next day and fou...

Studies of less familiar birds:148. Blue Rock Thrush

01 July 1968 Comments Main paper Watching from a crag over the stony slopes of southern Europe, the lone figure of the male Blue Rock Thrush Montkok solitarius (plates 39-40) is a handsome sight with blue-grey body and slaty-black wings and tail. In winter many feathers hare brownish fri...

Reorientation of passerine night migrants after displacement by the wind

01 July 1968 Comments Main paper Edwatd Grey Institute, Oxford Recent radar studies in north-east England (Evans 1966) have shown that, even at night, migrating passerines can compensate for wind drift. Thus they usually fly on chosen tracks rather than chosen headings. This finding cont...

Recent reports

01 July 1968 Comments News and comment As described in the previous issue (Brit. Birds, 61: 277-280), April was exceptional for vagrants from further south in Europe. In contrast, May was less notable in this respect than usual, though there were interesting records throughout the month with n...

News and comments

01 July 1968 Comments News and comment Attempted reintroduction of the White-tailed Eagle.--The Royal Society for the Protection of Birds is currently attempting to reintroduce this magnificent raptor to one of its former Scottish haunts. Four young White-tailed Eagles taken, with the sanction...

Studies of less familiar birds. 144. Thick-billed Warbler

01 June 1967 Comments Main paper 1955 a bird with some resemblance to a Great Reed Warbler Acrocephalus arundinaceus was captured on Fair Isle, Shetland, and proved to be a Thick-billed Warbler Phragmaticola aedon*, a vagrant from south-east Asia not previously found in Europe (William*T...

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...

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...

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Letters

Reviews

Notes

Studies of less familiar birds:148. Blue Rock Thrush

Reorientation of passerine night migrants after displacement by the wind

Recent reports

News and comments

Studies of less familiar birds. 144. Thick-billed Warbler

Swifts in sea-breeze fronts

Reviews

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