Why not wear this hat with the eyes to the side or to the back and give the person next to you a surprise? Change the colour scheme to blues, greens and oranges and you will have a parrot; change the colours to blacks and blues and you will have a crow.

Yarns
1 ball of dark blue
1 ball of white
1 ball of yellow
Short length of tapestry wool or a scrap of yarn in light blue.