I have been having this issue in a franchise zoo that breeds only red foxes. Occasionally, I will notice that a pair of foxes has reached the age of 7 or 8 and never reproduced. If I click on the animals in the Zoo tab to locate them, one of them will locate at some random point on the map outside my zoo. If I click on the habitat gate for that animal, it will record the animal as being present. If I send the problem animal to the Trade Center, the animal will appear as normal in the Trade Center. If I move the animal to the same or a new enclosure, a worker will deliver a box- which is empty. There does not seem to be any way to recover the animal.
Has anyone else seen this? If so, please add to the Issue Tracker.
Link for the issue tracker case
Has anyone else seen this? If so, please add to the Issue Tracker.
Link for the issue tracker case