Hippos Can't Swim—So How Do They Move Through Water? - The Atlantic
Pictures Hippo High Resolution Stock Photography and Images - Alamy
295 France Hippopotamus Photos and Premium High Res Pictures - Getty Images
Hippo walking under water like a boss! - YouTube
295 France Hippopotamus Photos and Premium High Res Pictures - Getty Images
Hippocampus nr. 242 (januari/februari 2013) - volledige uitgave
Adventure Aquarium sur Twitter : "#DidYouKnow that hippos can't swim or float? They walk or stand on surfaces below the water, helping them earn the nickname of river horse! #Hippos https://t.co/AGAFwnD9cf" /