Use two fingers to create rabbit ears then, imagine you are biting a big carrot!
Make the tail of a whale by interlocking your two thumbs - with palms facing towards you, then move your hands forward as though the tail is splashing down into the sea.
Is this the best sign ever? Place one hand on top of the other - the make a turtle shell, then move those thumbs - for the little legs!
Place both knuckles forward to make little paws.