Where do baby pens spend their day?

Funny Answer: Baby pens spend their day in "playstation"! 🎮

Explanation: The playful twist in the answer is that "playstation" is a clever play on words, combining the concept of a pen (where baby animals may be kept) with the popular gaming console. So instead of being stuck in a regular pen, baby pens have a fun-filled day playing games on their own "playstation"! The use of the emoji adds a cheerful and playful touch to the answer.