Indexing winter gull populations in England, Wales, Scotland and Northern Ireland: an analysis of data from the 1953 to 2004 Winter Gull Roost Surveys
Author(s): Burton, N.H.K., Banks, A.N., Calladine, J.R., Austin, G.E., Armitage, M.J. & Holloway, S.J.
Published: January 2005 Issue No.: 380 Pages: 41pp
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One bird, twelve journeys, 60 000 miles and invaluable scientific data: PJ the Cuckoo has left an incredible legacy.
Songbird ID (3 sessions, Wednesdays 10am)
This course involves three weekly online sessions of 100 minutes, with a trainer:participant ratio of about 1:30. Participants' microphones are muted during the sessions but there is a large interactive component,...