She was afraid the hyenas were in the thickets.
She was afraid they had heard the baby laugh.
She talked to the baby in a strange language.
She made queer clucking sounds.
After that he was always quiet when they went to the river.
He must have understood what she said.
THINGS TO DO
If there is a cave near where you live, visit it.
Model in sand some high river banks with caves.
Show where Sharptooth went to drink, and where the hyenas were hiding.