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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...

Post-fledging behaviour of Choughs on Bardsey Island

01 June 1962 Comments Main paper T H E C H O U G H S {Pyrrhocorax pyrrhocorax) of Bardsey Island, off the coast of Caernarvonshire, have been a constant source of interest since the bird observatory opened there in 1953. O n e or two pairs have nested in most years and forty-seven young ...

Robin recaptures on Fair Isle

01 June 1962 Comments Main paper O N F A I R ISLE, Shetland, it is the normal practice to weigh all migrant birds at the time they are first trapped, and at any subsequent recaptures. The information is stored in a card-index, with all the data for each individual on a single card. In th...

Albinism and melanism in birds

01 June 1962 Comments Main paper T H E STUDY OF heterochtosis or colour variations in the plumage of birds is a subject that the majority of field ornithologists either ignore entirely or regard with only mild curiosity. In the early years of the present century and before that, however,...

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