[Sam Cree]

I Googled "iguana droppings," but couldn't find an image. Plenty of mention, such as the fact that you sometimes see blood in it, and that it carries salmonella, fwiw, but no image.

[HairOfTheDog]

Hmmm.... let's look...

River otter scat:

Iguana poop (captive) Wild may vary...

[HairOfTheDog]

Here's something that ain't poop. Just saw this on SC... I guess was posted in a weather thread.

From Wunderground: Fire tornado Finally, I had to link this photo of a fire tornado taken by wunderphotographer Photo5150. Some fires are able to create such a strong updraft with their extreme heat that the air rushing in at the surface to replace the air lifted creates a fire tornado. This is definitely the most awesome photo of a fire tornado I've ever seen!... Jeff Masters