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- Title
Corvidae Can Understand Logical Structure in Baited String-Pulling Tasks.
- Authors
Bagotskaya, M.; Smirnova, A.; Zorina, Z.
- Abstract
The ability of the Corvidae to understand the logical structure of a task consisting of pulling a string attached to a bait was studied in a series of experiments with different relative positions of multiple strings. Some hooded crows ( Corvus cornix L.) and common raven ( Corvus corax L.) could successfully solve tasks in which the strings did not cross each other but were arranged in such a way that the bait was opposite the end of an 'empty' string. Hooded crows also solved a task in which the bait was attached to each of two strings, but one string was broken, preventing it from pulling the bait. A task in which two crossing strings, in which the bait was again opposite the end of the empty string was not solved by hooded crows. These data lead to the conclusion that some members of both species are able to pick out the logical structure of tasks of this type.
- Subjects
CORVIDAE; ANIMAL communication; HOODED crow; RAVEN behavior; SONGBIRDS; ANIMAL behavior
- Publication
Neuroscience & Behavioral Physiology, 2012, Vol 42, Issue 1, p36
- ISSN
0097-0549
- Publication type
Article
- DOI
10.1007/s11055-011-9529-z