Minecraft should be in Appdata, not Prgmdata. Try reinstalling the game or opening %Prgramdata%\.minecraft and deleting so it automatically reinstalls
Also dupe of MC-82493
This animal is officially implemented but is unused. Glitches are to be expected and Mojang doesn't really care.
Crafterzbolt Minecraft
Minecraft should be in Appdata, not Prgmdata. Try reinstalling the game or opening %Prgramdata%\.minecraft and deleting so it automatically reinstalls