As troubling as it is, the rarer these trophy hunted animals become, the more hunters are willing to pay to kill them—like the American hunter who recently paid $350,000 to kill a critically endangered black rhino in Namibia.

Poachers are killing rhinos at an alarming rate – if they continue like this rhinos will disappear from our planet within our lifetime.

The zebra's biggest threats are habitat loss due to ranching and farming and competition for water with livestock. Historically, there were over 15,000 Grevy's zebras. However, there are only about 2,500 remaining today.