Take a look at Uma the hippo's impressive ear wiggles in slow motion at San Antonio Zoo on June 15.
The zoo told Reuters: "Hippos wiggle their ears to remove water from their ears when they surface.
On land, they also do it to swat away insects."
Take a look at Uma the hippo's impressive ear wiggles in slow motion at San Antonio Zoo on June 15.
The zoo told Reuters: "Hippos wiggle their ears to remove water from their ears when they surface.
On land, they also do it to swat away insects."