Oriental Hornbills Show Off Cognitive Skills That Rival Those Of Apes – IFLScience

1. Oriental Hornbills Show Off Cognitive Skills That Rival Those Of Apes  IFLScience
2. These Birds Score as High as Primates in a Puzzling Cognitive Test  ScienceAlert
3. Oriental Pied Hornbills Show Cognitive Skills Comparable to Primates, New Study Reveals  BNN Breaking

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