Simplify the following text for a Grade 10 native English-speaking person.
Original: The Kabul Markhor or Straight-horned Markhor ( Capra falconeri megaceros ) is an endangered goat-antelope native to Afghanistan and Pakistan within Pakistan it is the Provincial animal of Khyber Pakhtunkhwa .
Simplified: The Kabul Markhor or Straight-horned Markhor ( Capra falconeri megaceros ) is a goat-antelope native to Afghanistan and Pakistan .