Yes.....Gecko droppings and mouse droppings are very similar looking.
With one exception......
The Gecko fecal matter has white on one end. This is because gecko's get rid of uric acid (urine) along with their solid waste, similar to birds.
uhhh, the animal. Rat feces is larger than mouse feces (poop). they both basically look the same.
A Leopard Gecko
A house Gecko looks like the typical small lizard. Please check the related link for a picture of a house gecko.
cool
In Australian slang, strewth is an interjection. Cop means get. Gecko means look. Wow! Get a look or Wow! Take a look.
Mickey Mouse is a drawing and was designed to look like a mouse. It is a matter of personal opinon that Mickey might look like a bear.
round and swirly
Waterbug feces will look much like coffee grounds. The amount of feces found is often an indicator of the seriousness of the infestation.
gecko poop is part white and part brown and the white part can be gooey
Similar to cat feces.
Woodchuck feces look similar to rat feces. It looks like large grains of dark rice. However, you will not likely see woodchuck feces on your property. Woodchucks have special chambers under the ground that they use as their bathroom.
My green anole's feces look brown at one end and some white. I got him of January '12 and ges pooped like that ever since.