Many of our birds are pretty much resident, but some regularly migrate huge distances. These maps show where birds ringed in Britain and Ireland have been found since ringing began in 1909. The darker colours on the first map show where most birds have been found. The second shows the locations of all birds, with some of the most exceptional movements highlighted.
Seabird ID (2 sessions, Tuesdays 10am)
This course involves two 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, using...
Too wet to nest?
A common issue that many analysts of biological data encounter is that of detectability. For a human population we can (in principle) count every individual. For wildlife though, things are trickier, and only rarely is...
Share this page