From the book Knitted Toy Travels:
“Henry’s bottom jaw is made separately, which makes his head and body easy to knit.”

Hippo size can be altered by adjusting needle size or yarn.
Gauge is suggested, but not essential.

Materials:
Lightweight (DK) yarn 2 x 1 3/4oz (50g) ball in grey (284 yds)
Oddment of pink
Oddment of dark brown
Oddment of white yarn
Crochet hook G/6 (4mm) for chained tail
Knitting needles 6 (4mm)
Stuffing
Floral material scraps
Light Interfacing scraps
Sewing needle and contrasting thread
Yarn needle