The capuchin monkeys have learned that if they hit the clams hard enough on a tough surface for a long enough duration of time, the shells will begin to relax and can be opened.
This is a learned behavior that will be passed down to the next generations by observation of the young. It can take years for a young capuchin monkey to fully learn how to obtain the meat from clams.
2. What do capuchin monkeys use the piper plant for? Do they use it at one time of the year more than others?
Piper leaves have a medicinal property, which can be used as an antiseptic as well as a bug repellent. Piper rubbing is an important social event for the capuchins, as all of the …show more content…
The alarm calls will sound different depending on which type of predator is detected, so as to illicit the best response.
8. Among the taupe macaques found in Sri Lanka, how does a female’s status influence her access to food obtained by lower status members of the group?
There’s a class system, in which a higher ranked female is able to take anything they’d like from a lower ranked member of the group. In the example of the video, the high born female (Emelda) hadn’t gotten any berries before they were all taken and stored in the cheek pouches of the other taupe macaques. In response to obtain food, she went to a lower ranked taupe macaque (Poppin) and began to remove the berries from her cheek pouch. Initially Poppin resists, however, if she were to resist for too long she would risk getting a beating.
9. How does brain size correspond to group size in primates?
The smaller the brain size of a primate, the group that they belonged to would likely be small as well. In contrast, the larger the brain size of the primate, the group that they belonged to would likely be larger. In the example from the video, we see the skull of a baboon who had the largest brain size within the example with also the largest group size of