The Bug:

Z-fighting occurs on the tails of wolves when their tails are completely horizontal.

Steps to Reproduce:

1. Summon a spotted wolf by using the command provided below.

   /summon minecraft:wolf ~ ~ ~ {NoAI:1b,variant:"spotted",Owner:"Mojira",Health:7.0f}

2. Observe the wolf's tail closely.

Observed Behavior:

Z-fighting is present.

Expected Behavior:

No z-fighting would occur.