This is an adult size pattern designed for thicker yarn (at least sport-weight). You'll get size S / M with 28 X 28 in 10 cm gauge.
Some duplicate stitch embroidery required around the beak (black), and on the bird's tail (red).
The pattern is in pictorial form with very clear, full-color charts for hands and thumbs; there is no written instructions.
28 x 28 = 10 cm
300 yards of Sport weight