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Kunguru mkubwa

Corvus corax

Zaidi ya niuroni bilioni mbili, zilizosongamana. Kunguru hukumbuka washindani mmojammoja.

Niuroni

bilioni 2.17 imepimwa · ubongo mzima (isotropic fractionator)

Olkowicz S et al. (2016). Birds have primate-like numbers of neurons in the forebrain. PNAS 113:7255-7260. doi:10.1073/pnas.1517131113.

Katika gamba la ubongo (au pallium ya ndege)

bilioni 1.2 (pallium)

Olkowicz S et al. (2016). Birds have primate-like numbers of neurons in the forebrain. PNAS 113:7255-7260. doi:10.1073/pnas.1517131113.

Ushahidi

• Kunguru hutathmini washindani kulingana na kilichotokea katika mchezo wa awali wa kuficha chakula.
  Bugnyar T, Schwab C, Schloegl C, Kotrschal K, Heinrich B (2007) Ravens judge competitors through experience with play caching. Curr Biol 17(20):1804-1808. doi:10.1016/j.cub.2007.09.048.

Azimio la New York kuhusu Fahamu ya Wanyama (2024) linakuta uungaji mkono mkubwa wa kisayansi kwa uzoefu wa fahamu katika mamalia na ndege.

Itathmini dhidi ya vigezo vilivyochapishwa