here we have the "Gecko tail" were it would look like a gecko's (leopard gecko, crested gecko etc...) tail and its ability is it can fall off if it is being attacked by a bearyna, ape balance bear, etc. saving it from being attack just that one move. It can grow back after a few amount of days (around 3 or 4) and each stage of it growing back would look different.
I suggested this because most geckos in real life uses this as a defence mechanism!
It would be harder to get that most tails.
You can unlock this gene by inviting a nicheling into the tribe that has it.
It would also save a baby from being taken away from a bird if the tail is full grown! Obviously once the bird trys to take it away once, it would fall of then.
Also I have a question: How do you add pictures?