Complex sentence: The Dorcas gazelle is generally similar in appearance to the closely related Gazella gazella, but they are smaller, have longer ears and more strongly curved horns, which bow outwards then turn inwards and forwards at the tips.
Split into simpler sentences: The Dorcas gazelle is generally smaller but similar in appearance to the closely related Gazella gazella. They have longer ears and more strongly curved horns, which bow outwards then turn inwards and forwards at the tips.