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This is Scientific American's 60-second science. I'm Christopher in Taliatta.

Tracking wildlife is a tough job.

Take the case of a one-eared leopard named Pavarotti for this guy.

He was like a very, very big, beautiful male,

and you had a very, very deep, deep roar,

and so they end them after Pavarotti. Kasim Rafiq, a wildlife, very deep, deep roar, and so they ended him after Bavarotti.

Kassam Rafik, a wildlife biologist at Liverpool John Moore's University.

So I used to get up at the crack of dawn, and I would find his tracks, and I would follow his

tracks and try and find him. So one day I went out, and I was looking for him, and his tracks

took me off roads through this woodland area.

Before he knew it, the wheel of his land rover was stuck in a warthog burrow.

He wasted several hours getting it out.

And then on the way back to camp, he bumped into some local tour guides in their safari guests,

who'd had way better luck spotting Pavarotti.

And basically they laughed and they told me that they'd seen him

that morning. Rafiq then realized that tourist wildlife sightings might be an untapped source of information

about wild animals. So he and his team worked with a safari lodge in Botswana to analyze 25,000

...