Penguins in the wild are highly social, playful animals - many species are known for what's called "tobogganing," or sliding around on their bellies.
Hala the penguin, living in an aquarium tank, has only a tiny space to explore compared with her wild brothers and sisters. Captive penguins like her have been known to try to escape their enclosures before.
Hala looks like she's having a fun chasing Brynn through the glass - but at the end of the day, Brynn is free to go home with her family and Hala stays exactly in the same place.
Watch the whole video here: