There appears to be mild z-fighting on the parrot model. It's not very visible using default textures, but could prove to cause difficulties for texturers. I've attached two screenshots demonstrating what I mean, and the texture I've used to highlight the issue.

Obviously the z-fighting with the feet is unlikely to cause an issue, as the way it's textured (and likely will be textured) leaves the sides blank, thus leaving any conflict of elements invisible.

However, the issues with the tail and (to an extent) the beak are, in my personal opinion, more likely to cause problem when resource packs begin texturing.

Is a fix for this possible?