The heads of baby sheep are positioned too low when they're eating grass

The Bug:

The heads of baby sheep are positioned too low when they're eating grass.

Steps to Reproduce:

1. Summon a large area of grass blocks by using the command provided below.

   /fill ~1 ~-1 ~1 ~13 ~-1 ~13 minecraft:grass_block

2. Summon some baby sheep by using the command provided below multiple times.

   /summon minecraft:sheep ~7 ~ ~7 {Age:-25000}

3. Watch closely as the baby sheep lower their heads to eat the grass blocks.
4. Take note as to whether or not the heads of baby sheep are positioned too low when they're eating grass.

Observed Behavior:

The heads of baby sheep are positioned too low.

Expected Behavior:

The heads of baby sheep would not be positioned too low and would instead be a bit higher.