Scientists are trying to understand the rapid toe-tapping behavior of poison dart frogs, which appears to be linked to hunting. Researchers from different countries have observed the frogs tapping their toes at astonishing speeds, especially when in the presence of prey. While the purpose of this behavior is still unclear, studies suggest that it may be a way to detect and manipulate prey. The frogs seem to tap more on leaves, possibly to create vibrations that attract prey. Other studies have shown that the size of the prey does not affect the toe-tapping behavior, and it may not be a general expression of excitement. Further research is needed to determine the exact role of toe-tapping in the frogs' feeding behavior.