The Shedd Aquarium's famous rockhopper penguin, Wellington, is celebrating a big birthday on Friday. Senior trainer Katy Roxbury said Wellington is turning 37 years old.

And, sometimes, cataract surgery. And this was part of the longevity recipe for Wellington, Chicago's Shedd Aquarium’s oldest and best-known rockhopper penguin, which marked the milestone ...

Shedd Aquarium’s newest rockhopper penguins have been named Douglas (foreground) and Pico. Shedd Aquarium/Brenna Hernandez Share Shedd Aquarium has named its two newest rockhopper penguins ...

So the handlers decided to let the penguins have the run of the place for a morning and the video is adorable. Shedd Aquarium is one of the venues in Chicago that has shut its doors because of the ...