Axolotls render outside of their hitboxes when looking up or down

The Bug:

Axolotls render outside of their hitboxes when looking up or down.

Steps to Reproduce:

1. Summon an axolotl looking up by using the command provided below.

   /summon minecraft:axolotl ~1 ~1 ~1 {NoAI:1b,Silent:1b,Rotation:[0f,-75f]}

2. Enable entity hitboxes by pressing "F3 + B".
3. Take note as to whether or not axolotls render outside of their hitboxes when looking up or down.

Observed Behavior:

Axolotls render outside of their hitboxes.

Expected Behavior:

Axolotls would not render outside of their hitboxes.