Scimitar-horned Oryx

As you see in this video you can find Scimitar-horned Oryx that someone cut it's horn it's something sad that someone did this to a cute animal.
You will see another one that Zoo officials putted a piece of plastic on it's horns I don't know why!!, But it's look funny!!
The scimitar Oryx or scimitar-horned Oryx, also known as the Sahara Oryx, is a species of Oryx once widespread across North Africa which went extinct in the wild in 2000. It has a long taxonomic history since its scientific description in 1816 by Lorenz Oken, who named it Oryx algazel.