These days he seems to get enough nourishment at home so he no longer kills his prey. He just tries to catch them and after he succeeds he puts them down to show me and eventually loses interest. Then the iguana gets up and scuttles off. To my relief.
I think in a lot of ways he prefers to look around and not actually find anything. Like a kid playing hide and seek he runs around poking and prying and is quite happy to not find anything in particular.
He naps quite a bit between walks:
And then we sit in the driveway at home and check out the trash piles together.