When retrieving a fallen trap as WereWilba with a rabbit inside, you only get the trap back and the rabbit vanishes.
Spoiler
I guess they teleport inside the Prestihatitator.
Steps to Reproduce
Trap a rabbit, retrieve as WereWilba
Trap a rabbit, retrieve as WereWilba
A developer has marked this issue as fixed. This means that the issue has been addressed in the current development build and will likely be in the next update.