Research methods
Ringing
Also: Banding (US)
Fitting a uniquely numbered ring to a bird's leg to study movement, survival and lifespan.
Try a bird, a place or a month: "hornbill", "Costa Rica", "shorebirds".
Try a bird, a place or a month: "hornbill", "Costa Rica", "shorebirds".
Research methods
Also: Banding (US)
Fitting a uniquely numbered ring to a bird's leg to study movement, survival and lifespan.