Announcements

01 February 1999 Comments Editorials BIRDS: A REMINDER Although colour-marking may be used in purely local studies (e.g. of behaviour), the majority of studies of marked populations depend upon co-operation from all observers who sight the marked individuals. Only in exceptional instances...
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Announcements

01 October 1986 Comments Editorials BTO bargain. Are you a BTO member? If not, take the opportunity to join now (a membership leaflet is inserted with this issue). Ordinary subscription rates rise to £12 in January, but by joining now you will receive 15 months' membership for just £10...
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