![](/img/cover-not-exists.png)
Subadult ravens generally don't transfer valuable tokens to conspecifics when there is nothing to gain for themselves
Massen, Jorg J. M., Lambert, Megan, Schiestl, Martina, Bugnyar, ThomasVolume:
6
Language:
english
Journal:
Frontiers in Psychology
DOI:
10.3389/fpsyg.2015.00885
Date:
June, 2015
File:
PDF, 821 KB
english, 2015