Figure 5 | Scientific Reports

Figure 5

From: Cranial evolution in the extinct Rodrigues Island owl Otus murivorus (Strigidae), associated with unexpected ecological adaptations

Figure 5

Cranial digital endocasts of O. murivorus (a) and O. sunia (b) in caudal view. cbl, cerebellum; cer, cerebral hemisphere; opt, optic lobe; pp, pineal peak; w, wulst. The protuberance of the pineal peak could a priori have been a proxy of diurnal or nocturnal behavior24,25, but this detail has proven hardly assessable on the fossil, and moreover, it shows no consistent relation to the more diurnal species examined here. Not to scale.

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