A juvenile Willow Warbler, Phylloscopus trochilus, being ringed by a professional ornithologist

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A juvenile Willow Warbler, Phylloscopus trochilus, being ringed by a professional ornithologist for the British Trust for Ornithology (BTO)

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Size: 5079px × 3543px
Location: Lincolnshire, England, UK
Photo credit: © Graham Uney / Alamy / Afripics
License: Licensed
Model Released: Yes

Keywords: band, banded, banding, bird, british, bto, juvenile, ornithologist, ornithology, phylloscopus, ring, ringed, ringing, trochilus, trust, warbler, willow