Common redstart x Black redstart (Sylvia nisoria x Phoenicurus ochruros), First-winter hybrid in the hand, Sweden, Oeland, Ottenby Bird Observatory,

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Size: 5472px × 3648px
Location: Schweden,Oeland,Ottenby Bird Observatory,Ottenby
Photo credit: © blickwinkel/AGAMI/M. Hellstroem / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -winter, analysis, animal, animals, banding, beringed, biological, biology, bird, birds, black, caught, common, examination, examining, examins, field, fieldwork, fieldworks, format, hand, hands, holding, horizontal, hybrid, inspecting, method, methods, nature, ornithology, passerines, redstart, research, researches, researching, ringing, studies, trial, trials