Me and my friends were playing Survival Minecraft and I decided to do the "When Pig's Fly" achievement. The pig was completely normal until I put a saddle on it. Apparently putting a saddle on a pig completely removes the texture of that pig. I have no idea if this is a known bug or not.
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We're tracking this issue in MCPE-43247, so this ticket is being resolved and linked as a duplicate.
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