Baby wolf's head detaches from body

The bug

The baby wolf's head detaches from the body.

How to reproduce

/summon minecraft:wolf ~ ~ ~ {NoAI:1b,Age:-25000,Sitting:1b,Rotation:[0f,-20f]}

Expected behavior

The baby wolf's head would remain attached to its body.

Observed behavior

The baby wolf's head does not remain attached to its body.