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Keywords from Image Description:
FalconiformSkullsGronvold. Skulls of Falconiformes Ventral aspect of the skull Fig Skull of Catharistes urubu showing the type of desmognathism peculiar to the Cathartae wherein the palate is bridged by the union of the horizontal plate of the nasal septum with pair of septomaxillary spurs Note also the presence of basipterygoid