The discrimination of discrete and continuous amounts in African grey parrots (Psittacus erithacus)

  title={The discrimination of discrete and continuous amounts in African grey parrots (Psittacus erithacus)},
  author={Syrina Al A{\"i}n and Nicolas Giret and Marion Grand and Michel Kreutzer and Dalila Bovet},
  journal={Animal Cognition},
A wealth of research in infants and animals demonstrates discrimination of quantities, in some cases nonverbal numerical perception, and even elementary calculation capacities. We investigated the ability of three African grey parrots (Psittacus erithacus) to select the largest amount of food between two sets, either discrete food items (experiment 1) or as volume of a food substance (experiment 2). The two amounts were presented simultaneously and were visible at the time of choice. Parrots… CONTINUE READING


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