When a Lightning Strike hits a pig or a villager, the new mobs always appear facing south, regardless of the original position. Reloading the world, fixes the facing direction.
Video demo of the bug
http://youtu.be/U6tNQZXfkR8
MC-88128
Lightning Strikes cause new mobs to face south
Resolved
Fixed
1
(Unassigned)
Confirmed
Minecraft 1.8.8, Minecraft 15w36d, Minecraft 15w44b
Minecraft 16w07b
Retrieved
Confirmed fixed by 16w07b.