Elephants, antelopes, lions. Rich people kill animals threatened with extinction, then hang them on their walls as trophies. On the face of it, trophy hunting seems morally reprehensible.

Ozzy and Sharon Osbourne are campaigning against trophy hunting as Ted Nugent puts autographed deer skulls up for sale.

470 Nitro Express double rifle. These guns, costing up to $200,000, are favored for big-game trophy hunting because of their stopping power, and this is what he was here for, of course—a trophy.

Removing these could push a species over the edge, they warn. There is intense global debate over trophy hunting. Some argue that it should be banned or restricted, while others say it can provide ...