Solving ProblemsThe Bucksâ captive raven, Bran, took about 30VHFRQGVWRÆJXUHRXWWKDWWRJHWWKHPHDWDWWKHend of a string, he must pull the string up with hisbeak and secure it with his foot as he does so.âRavens have the ability to test actions in theirminds and project the outcomes of thoseactions,â according to corvid researchers BerndHeinrich and Thomas Bugnyar.
martin jones
(Martin Jones)
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