Why are all these AI's making the pelican's pouch so large though? Unless they have some huge fish in there or something they don't tend to look like that... Is it that it's drawing a "cartoon" pelican or something?

https://en.wikipedia.org/wiki/Pelican#/media/File:Pelikan_Wa...

Pouchbench. There's an RLVR grader that performs pouch detection and area estimation. Bigger pouches, bigger reward. Soon, all will be pouch.

Well, a photorealistic pelican would generally be in a raster-graphics format rather than an SVG, so yes, cartooniness is expected.

A pelican with an empty pouch would have no need for a bicycle to get home.

Pouchmaxxing

The SVG is cartoonish, and to be honest, most of human-made SVG art is cartoonish or stylized. It's not a format with realistic expectations.