“Rabbit” (conejo) you may know. Rabbits live in a burrow (conejera) and many rabbits live in a “rabbit warren” (madriguera de conejos).
You can also say that a place is a “rabbit warren”, meaning that there are a lot of narrow streets where you could easily get lost.
Rabbit is also a verb, “to rabbit on”. It is a regular verb. If someone rabbits on, he is talking incessantly (sin cesar) and for too long. Some examples: