Have you been ringed?
If you've ever bumped into BTO Ringers at an event, you've probably got a colourful ringing bracelet to show for it.
Find out more about the bird that shared your ring number below:
Find out more about why we ring birds.
Science - Latest research
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...
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