Some mob animations are choppy

Some of the mob animations are much choppier than older versions and in Java edition.

 

Animations affected:

Parrot flapping wings

Sheep lowering and raising their head to eat grass (Not in 1.14.30)

Bees flapping wings (Not in 1.14.30)

Chickens flapping wings

 

The  video attached compares Bedrock to Java