G. Stancher

Pitch-size crossmodal correspondence in tortoises (Testudo hermanni)

The paper shows tortoises associate small visual discs with high pitch sounds and large discs with low pitch sounds, suggesting crossmodal associations are evolutionarily ancient.

Recognition of familiar objects in tortoise hatchlings (Testudo spp.)

This study shows that tortoise hatchlings react differently to familiar and unfamiliar conspecifics, but not to objects, indicating social behavior is specific to interactions with living animals.

Transfer from number to size reveals abstract coding of magnitude in honeybees

The paper shows honeybees can transfer number discrimination to size discrimination, suggesting a general magnitude system in invertebrates.