A cat responds to the sound of an electric can opener by pawing at its owners leg. This is a conditioned response--the owner is not opening cat food,but the cat has learned that the sound of can oftener often precedes receiving food | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Burnett, Mark |
Taille de l’image : | 2330 px × 3576 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : |
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