(hatalleph; "the darkness bird".) Delighting in dark holes and caverns. This is the point of , "a man shall cast his idols to the bats," while the idolaters themselves shall vainly hide in the rock from the wrath of the Lamb (). Unclean in the eye of the law (-19; -20). Ranked among "all fowls that creep, going upon all four;" it has claws on its pinions, by which it attaches itself to a surface, and creeps along it. It is connected with quadrupeds: the bones of the arm (answering to a bird's wing) and fingers being elongated, and a membrane extended over them to the hind limbs.