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The preference tests have made a great contribution to promoting animal welfare. However, they are not always easily applicable and have some criticalities. Recently the anticipatory behavior has been used to detect the animals’ preference. In this study, we attempted to investigate the relationship between preference and anticipatory behavior. To this end, we tested on a group of dolphins ( Tursiops truncatus ) whether, with anticipatory behavior, it is possible to distinguish the animals’ preference for different objects and then use it as a preference test. Anticipatory behavior is exhibited throughout the animal kingdom, it is easy to induce and measure, and does not have the criticalities of other preference tests. Therefore, its use as preference test could facilitate the study of animals' preferences and contribute to the promotion of their welfare. Our results support the hypothesis of use anticipatory behavior as a preference test. In fact, dolphins have anticipated the arrival of objects highly preferred with a frequency three times higher than shown toward objects less preferred, providing further evidence of the correlation between anticipatory behavior and the animals’ preference.

Using Anticipatory Behavior as Preference Test in The Bottlenose Dolphin ( Tursiops truncatus )