Wow! I have never thought about that. Topics like this are just another reason why I love this forum.
Not quite homing behavior, but I had a few kings escape and be found again. I had a w/c female escape and found that she'd climbed up onto the kitchen counter presumably to avoid the dog and cat roaming our house. Half a year later I found a young w/c male who'd escaped in exactly the same spot.

reako45