Simplify the following text for a Grade 9 native English-speaking person.
Original: The Four-horned Antelope ( Tetracerus quadricornis ) , or Chousingha , is a small antelope found in open forest in India and Nepal . It is the only species currently classified in the genus Tetracerus .
Simplified: The four-horned antelope ( Tetracerus quadricornis ) is an animal .