FIGURE 4 in A new species of extinct fossil scops owl (Aves: Strigiformes: Strigidae: Otus) from the Archipelago of Madeira (North Atlantic Ocean)

FIGURE 4. Leg bone lengths (mean ± standard error in mm of femur, tibiotarsus and tarsometatarsus) of O. mauli n. sp. (squares) and O. scops (circles). The percentages of difference in mean length [%] between both species are also shown.Published as part of Rando, Juan Carlos, Pieper, Harald, Alcover, Josep Antoni & Olson, Storrs L., 2012, A new species of extinct fossil scops owl (Aves: Strigiformes: Strigidae: Otus) from the Archipelago of Madeira (North Atlantic Ocean), pp. 29-42 in Zootaxa 3182 on page 35, DOI: 10.5281/zenodo.20943