What does 'Little pitchers have big ears' mean?

This means that children hear more and understand the world around them better than many adults realize.

• Category: Body and bodily functions
• This idiom is American English

Idioms similar to 'Little pitchers have big ears'

• Wet behind the ears
• All ears
• Be all ears
• Ears are burning
• Prick up your ears
• Cloth ears