Zzzzz. The beavers are up, meaning it's time for you to power down and get ready for bed. Want to see these Zoo stars in-person? Join us for a 21+ event that allows you to watch these nocturnal animals greet the night - or even better, grab an event 4-pack to enjoy an exclusive discount on tickets to the entire 21+ series! #detroitzoo #beavers #nocturnalanimals #bedtime #goodnight