On 2011-07-29, Don Phillipson wrote:

Expert animal trackers can recognize cougar poop when they see
it, and DNA analysts can (sometimes) identify the individual source. So
many US states nowadays want to say they have cougars that wildlife
officers collect samples of any likely poop they come across:
and the DNA laboratories do the rest, viz. track one individual
who left deposits in several states.

An example of what how he doody show....