National Geographic

(Martin Jones) #1

Solving ProblemsThe Bucks’ captive raven, Bran, took about 30VHFRQGVWRƃJXUHRXWWKDWWRJHWWKHPHDWDWWKHend of a string, he must pull the string up with hisbeak and secure it with his foot as he does so.“Ravens have the ability to test actions in theirminds and project the outcomes of thoseactions,” according to corvid researchers BerndHeinrich and Thomas Bugnyar.

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