Mystery photographs

01 February 1991
Comments Main paper Judging the size of an isolated bird is difficult, but comparison with the grass leads to the conclusion that last month's mystery bird (plate 6 in colour, repeated here in black-and-white) is 'sparrow-sized', though noticeably slim, small-headed and l...
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Product reports

01 February 1991
Comments Main paper Items included in this feature have been submitted by the manufacturers or their agents. The reviews are the personal opinions of the reviewers; they are not the result of technical tests, but are assessments made after use in appropriate conditions (e...
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