Bug or not?
I don't believe getting another carrot is a bug, simply an exploit, as there is no way of telling whose carrot it is. The game just takes the safe side and gives you another.
Spawn color
It is currently not unambiguously clear in the article which also contains a contradiction, so based on my current testing this is the case: The bunny always has the current color of the shirt of the character who summoned it. You can spawn it with one character, it doesn't matter. Any character who has it out right now, when changing shirt color at a dresser, the bunny color will update in realtime. This means you NEED to always have the same shirt color as the bunny. Shouldn't be a problem though with all the dyes and vanity gear available.--87.152.198.224 03:52, 26 May 2016 (UTC)