Figure 4. Chilabothrus inornatus from Cueva de los Culebrones. A. Lateral view of C. inornatus perches on a branch. B. Lateral shot of head, perched on a high branch.C. Entrance of Cueva de los Culebrones at night, as bats fly out of the cave and six individuals (white arrows) of C. inornatus wait to catch their prey. D–E. Two difference individuals of C. inornatus hanging vertically to catch bats flying out of the cave; Panel D shows an individual of Mormoops blainvillei flying in front of a Puerto Rican Boa. F. A Puerto Rican Boa constricting its prey, M. blainvillei . G. A dark pigmented individual of C. inornatus from the thermocline inside Cueva de los Culebrones. H. Bones of C. inornatusfound inside Cueva de los Culebrones. Cranial elements, vertebrae, and ribs were found. All photographs taken by Justin M. Bernstein.