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Welcome to Scientific Americans Science Talk posted on June 16, 2016.

I'm Steve Murski. On this episode...

And the tiger would come out right under me and I would be not in a blind, I would be

standing on a branch just, you know, 15 feet off the ground and it's quite a scary feeling.

That's Ulus Karanth. He's the Wildlife Conservation Society's director for science Asia. He's also

affiliated with the University of Minnesota, as well as with India's National Center for Biological

Sciences in Bangalore and Monopal University. And he has an article in the July issue of

Scientific American called Tracking Tigers. Carinth was visiting New York City recently.

On June 8th, I met with him at the Wildlife Conservation Society's Manhattan offices on the

grounds of the Central Park Zoo.

Tigers are so charismatic, and yet, based on your article, for a long time, we haven't even been able to

accurately tell how many there were in the world, wild tigers, obviously, not those in captivity.

And the methodology, the older methodology, was apparently very poor.

Yeah.

All the methods used to count tigers historically and now have been poor.

And it's not a surprise because tigers are extremely rare.

...