[It really is a complicated network of organisms that tends to be beyond his understanding, as it's something he's never really put much thought into before.]

Oh, yeah, that would make sense. So either plants of some kind, or the sun itself which provides energy for said plants? Is that what you're getting at?

[Setting aside his pack, he readies his net and sneaks over to get beneath one of the slightly shifting rocks. Gauging the distance for several moments, his tongue sticks out just a bit as he slaps it over the thing with a yell of satisfaction. Hah~! Got one!]