sentences:  Its maximum altitude is about .Unlike [[poison dart frogs]] which merely secrete poison from their skin, this species is equipped with skull spines capable of injecting venom into other animals or human hands via headbutting, a tactic it shares with "[[Corythomantis greeningi]]".The venom of "A. brunoi" is estimated to be 25 times as toxic as that of local [[Bothrops atrox|fer-de-lance]] pit vipers.