Bird ringers' rings

---

Rings are kept on plastic tubes colour coded according to size 2009 is the centenary of organised bird ringing in Britain

---

Size: 5060px × 3373px
Location: Suffolk, England, UK
Photo credit: © John Henderson / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bird, birds, british, bto, handling, migrate, migration, ornithological, ornithologist, ornithology, research, ring, ringer, ringers, ringing, rings, study, trust, voluntary, volunteer, volunteers, wildlife