The tail

Brace yourself. It's time. Time to learn the magic loop with this tutorial:

Magic loop giving you trouble? Try this easier chain method instead. It'll probably leave you with a hole in the middle, but that's OK – you gotta do what you gotta do to make a circle.

Whether you made a circle using the magic loop or chain method, give yourself a pat on the back for finishing Round 1. Now make the rest of the tail:

Round 1: 6 sc in magic loop (6)
Rounds 2-10:
6 sc

Fasten off and leave a long tail. (You'll use this yarn tail to sew the tail onto the body.) If you'd like to make the edge a little smoother before sewing the tail on, you can do the invisible fasten off:

Lastly, watch this video to learn how to sew the tail on nice and neat. The tail should be in the middle back, spanning rounds 13 and 14.