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Looking back

01 November 1999 Comments Other `There is a point in connection with the song of birds which I have not seen mentioned, although it must have been noticed by many who are interested in ornithology; it is the differences in the note, or rather the tone of the note, of a bird, in diffe... Read More

Recent reports

01 February 1971 Comments News and comment These are largely unchecked reports, not authenticated records The following analysis deals with November 1970, and all dates refer to that month. The unsettled weather at the end of October continued, with depressions moving in from the Atlantic bringing... Read More

Letters

01 February 1971 Comments Letters Elusive species and the B.T.O. Ornithological Atlas project Some species are proving to be difficult to locate in fieldwork for the Ornithological Atlas. In order to prepare full maps for these species, we cannot rely solely on fieldwork carried out purel... Read More

Notes

01 February 1971 Comments Notes We regret that, owing to the Post Office strike, it was impossible to send proofs of most of the short items that follow to the authors concerned (though we managed to get galleys of all the main papers delivered). The same applies to the notes on Great B... Read More