Simplify the following text for a Grade 10 native English-speaking person.
Original: In On the Nature of Animals ( Î Î Ï á 1\/2 Î -- á Ï Î 1\/2 á 1\/4 Î Î Ï Ï Î Ï Î Ï , De natura animalium ) , Aelian , quoting Ctesias , adds that India produces also a one-horned horse ( iii .
Simplified: In On the Nature of Animals ( Î Î Ï á 1\/2 Î -- á Ï Î 1\/2 á 1\/4 Î Î Ï Ï Î Ï Î Ï , De natura animalium ) , Aelian , quoting Ctesias , adds that India has also a one-horned horse ( iii .