updated 09/29/2011 AT 12:00 PM ET
•originally published 09/29/2011 AT 1:30 PM ET
It’s a jungle out there – and Anderson Cooper knows this better than anyone. The reason? He was greeted by a llama on Wednesday outside David Letterman’s New York City studio.
“Strange who u meet on NY streets,” he Tweeted, adding a photo of himself standing next to the fluffy white creature.