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Endocast of adult Anodorhynchus hyacinthinus (A–E) and Pionus maximiliani (F–J) in dorsal, ventral, left lateral, cranial and caudal views. bo, bulbus olfactorius; c, cerebellum; co, chiasma opticum; es, eminentia sagittalis; fi, fissura interhemispherica; fl, floculus; ht, hemispherium telencephali; mo, medulla oblongata; NII, nervus opticum; tm, tectum mesencephali; v, vallecula. Scale bar: 1 cm.
