04/10/2026
Check out those adorable, tootsie-roll like flaps on the side of Reese's head! Those are external ear flaps, called pinnae! They are there to funnel sound into and protect a sea lion’s ear hole. Did you know that seals don’t have pinnae? They just have a hole or bump on the side of their head. That’s one way you can tell the difference between these two species!