Not like night and day: the nocturnal letter-winged kite does not differ from diurnal congeners in orbit or endocast morphology.

Elanine kites as a whole appear to have relatively large orbit diameters, but relatively small optic foramina compared to other species, although the pANCOVAs did not quite reach statistical significance (0.0528 and 0.0538, respectively, table 2 and figure 7 a,b ).

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