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A numbered metal band on a bird's leg.
Also known as: Bird band, Ringing band, Leg ring, Numbered ring on a bird's leg
A bird ring carries a unique number and a return address, so a bird found anywhere can be reported back to the scheme that fitted it. Ringing is licensed and requires training — the ring must be the right size and fitted without impeding the leg, which is why it is not a casual activity.
Denotes a lightweight metal band bearing a unique serial number and a return address, fitted to a bird's leg for individual identification.
Contexts: Maps
Carries a return address rather than only a number, so a recovery can be reported by a finder with no connection to the scheme.
Contexts: Maps
Requires a licence and supervised training in Britain, because ring size and fitting must suit the species exactly.
Contexts: Maps
Generates the movement and survival data underlying much of what is known about migration, which is what the scheme exists for.
Contexts: Maps
A narrow open metal band closed around a bird's leg, stamped with a serial number and an abbreviated postal address in small capitals.