Can you even imagine the thought process.
Hey they get stuff for paper. But it's pretty paper not that paper in the human's garbage. OK, Gotta find paper. What's paper. Hmmm, that's paper, that's paper, that's paper. Wait. That's fresh paper. It's got color (even though I only see in monochrome.)
Hey! I got the paper! Can I have a thing?
Lol, but evidence is being found that dogs also see in shades of yellow and blue, so he probably does know that the leaf is a nicer color than brown ones
Hey they get stuff for paper. But it's pretty paper not that paper in the human's garbage. OK, Gotta find paper. What's paper. Hmmm, that's paper, that's paper, that's paper. Wait. That's fresh paper. It's got color (even though I only see in monochrome.)
Hey! I got the paper! Can I have a thing?