birds on the branch silhouette set in

bird branch silhouette alcedo animal atthis barn beak birdwatching black carpodacus chloris collection collurio common erithacus erythrinus european feather forest free freedom graphic grass greenfinch group hirundo illustration isolated kingfisher knot lanius natural nature outdoor outline painting redbacked robin rosefinch rubecula rustica set shrike sitting snag songbird sparrows spring swallow