Chicago's Shedd Aquarium let their rockhopper penguins roam around and meet other animals as the aquarium is temporarily closed over COVID-19 concerns, March 16, 2020. /VCG

The penguins became unlikely viral stars after aquarium staff shared videos of the birds wandering freely around the facility on Facebook. /VCG

A bonded pair rockhopper penguins, Edward and Annie, explored different exhibitions in the aquarium. The aquarium said they plan to share more of the couple's life on their digital channels.