field ornithologist showing in his hand a robin, erithacus rubecula, with the characteristic red chest.

animal autumn background beak bird birds characteristic chest chestn close color erithacus europe fauna feathers field fingers forest hands insectivore insectivorous migratory mountain mountains muscicapidae nature orange orchard ornithologist ornithology outdoors plumage pluna protection red robin rubecula science showing sky unfocused vertical wildlife wing wings