This pattern is written in English and uses US crochet terms.

Bunny is 3.9 inches (10cm) high.
Chicken is 2.4 inches (6cm) high.
Lamb is 2.4 inches (6cm) high.

The pattern uses:

• 1.75 crochet hook
• yarn weight fine

This pattern is for the easy level crocheters.
You should know basic crochet stitches including

• chain stitch,
• slip stitch,
• single crochet,
• decrease,
• increase,
• magic ring.