15 diciembre 2014
The way in which toys are handled and combined with one another during object play can tell use a lot about the cognitive underpinnings of the actors. An international team of scientists studied parrot species, as well as crow species, with the same set of toys and found out that the birds willingly brought objects into complex spatial relationships: behaviors that occur in only a few species of primates.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/z-u9ejqY9Hc/141215094314.htm
