Deep within the ancient podocarp sanctuaries of New Zealand's North Island, a nocturnal creature breaks every conventional rule of flighted mammalian biology. High-speed infrared recording systems deployed across the old-growth canopy of Pureora Forest have captured unprecedented footage of the New Zealand lesser short-tailed bat ( Mystacina tuberculata ) executing complex, quadrupedal maneuvers across damp forest litter. Rather than patrolling the open air like typical microchiropterans, this endemic mammal spends up to forty percent of its nocturnal active cycle scrambling across mossy roots, burrowing through rotten logs, and scaling vertical bark trunks using its uniquely articulated limbs. For evolutionary biologists and primatologists, these recent observations offer a living laboratory for understanding how ancient mammalian lineages transitioned between arboreal climbing, terrestrial substrate navigation, and fine-motor foraging. Because New Zealand lacked native...