Sunday, 11 February 2018

Norway rats trade different commodities

Date:  February 1, 2018
Source:  University of Bern

Researchers have shown for the first time in an experiment that non-human animals can also exchange different kind of favors. Humans commonly trade different commodities, which is considered a core competence of our species. However, this capacity is not exclusively human as Norway rats exchange different commodities, too. They strictly follow the principle "tit for tat" -- even when paying with different currencies, such as grooming or food provisioning.

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