Chimpanzees use different types of memory to find insects hidden underground (IMAGE)
Caption
A female chimpanzee brings her face close to the entrance of an army ant nest hidden under fallen leaves to detect if there are ants inside.
Credit
Still image extracted by Andreu Sánchez-Megías from a camera trap video taken in the Dindefelo community nature reserve.
Usage Restrictions
Credit must be given to the creator.
License
CC BY