Angua took a good look at the both of them. "Oh my, I believe you're right," she said, as Hera even made a convincing ook-ook noise and jumped up and down on the bed with her hands curled under her armpits.

"Let me have a go. I've known a few apes in my life, I may be able to mimic them." Angua pushed her ears outward and puffed up her mouth, eyes squinted as she tried to keep from laughing.