Definitely not endangered, perhaps it's on sacred grounds. So many creatures roam freely on sacred grounds in many African communities. For instance, I have had many encounters with harmless snakes in Anambra state, Nigeria. You can check out the tale here. Disappearing African Tales
However, not to guess, I will make necessary enquiries and revert, but be rest assured that my findings will end being another tale. HAHAHAHAHAHAHAHA
Oh, I see... Well, tales and superstitions can sometimes be even stronger than science :P