Just bought the True realism pack and quickly found that zombi villagers can spawn like this.
Not very happy that I paid for some glitched texture like this
MCPE-177741
Bug with Zombi Villagers'heads with True Realism HD texture pack.
Resolved
Invalid
0
This texture pack was created by Pathway Studios, so you will need to contact them regarding this issue. You can contact them by clicking on the "Get in touch" link at https://www.minecraft.net/en-us/marketplace/creator?name=pathway%20studios.