Do African Grey Parrots (Psittacus erithacus) Know What a Human Experimenter Does and Does Not See?
Perspective-taking is a cognitive ability that can be useful to access information during social interactions. This ability is extensively exploited in humans, and some evidence of it has been found in other mammals and some bird species. Perspective-taking requires individuals to be sensitive to the attentional state of others. In this experiment, three hand-reared grey […]
The influence of local enhancement on choice performances in African Grey parrots (Psittacus erithacus) and jackdaws (Corvus monedula)
Being attentive to the behavior of others may be advantageous to gain important information, for example, on the location of food. Often, this is achieved through simple local enhancement. However, this is not always beneficial, as it may override cognitive abilities, with negative consequences. Grey parrots ( Psittacus erithacus) and ravens have already succeeded in […]