This Beast (Almost) Always Makes the Best Decisions

“Beasts of Science” is like a collection of stories. Beautiful stories that tell of living in all its freshness. But also in all its complexity. A parenthesis to marvel at the treasures of the world. For once, let’s take a second look at our favorite cousin: the monkey.

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[EN VIDÉO] Clever crows like great apes
They have very small brains and yet crows are as intelligent as the big apes. Many studies confirm this. These wonderful birds show adaptability, personality. Something to question the processes of development of cognitive abilities. How can disparate minds like crows and big apes be brought together at some point in time? This question is posed by researchers from Lund University (Sweden) (in English) © Lund University

The Vervet. you know? It is a species of monkey that lives in the east and southern africa, A relatively small monkey because it weighs about five kilos for a maximum size of about 60 cm, to which we still have to add a tail of about 70 cm.

This monkey lives in a group. Large groups that can gather up to 50 individuals. Male, female and young. And its special thing is that it knows how to adapt well to the presence of humans. Despite being a bit much, he does not hesitate to go to the cities. or plantation. What’s worth other than that is sometimes thrown out. However, it is not (yet) endangered.

Another characteristic that researchers have discovered in them is the sense of planning that goes hand in hand with a sense of developed direction. So if you’re one of those people who has a habit of getting lost on the road to go on vacation, you can take Vervet as an example. Meanwhile, ethicists tell us more precisely what they saw in wild monkey from middle uganda

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decision based on multiple information

He prepared for them the rich experience in the lessons. On five platforms arranged on top of a regular Pentagon, the researchers deposited corn kernels And the bananas got stuck in a box with a hole. rested on four platforms but And on one, bananas. You must know that Vervet loves bananas. The problem here for them is that bananas are the ones the researchers decided to hit hardest. Hidden in a box that you have to move or roll to get out.

First observation: Vervets have shown themselves to be quite adept at figuring out how to get the bananas out of the bottom of their box. It took just over a minute for the less talented to figure out the trick. others did it withoutWind To think about it.

But the most surprising observation that ethologists have made is that these monkeys didn’t just make the choices they made. gluttony, Before starting, he took his situation into account. Understand their rank in the group hierarchy, their ability to manipulate the banana box, or the presence of a direct competitor in the vicinity. When the risk was deemed low, the study Vervet took a route that lowered travel costs. When the risk was overstated or the monkey showed poor handling of the box, the vervet ran to the banana. Eating them without waiting and risking that they will escape from it. When the risk was considered moderate, the lower-ranked vervet took the time to stop at the Mecca platform before joining the bananas.

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As a result, in most cases, Vervet manages to appropriate his favorite food. Or in any case, the maximum total amount of food. Suffice it to show how complex the decision-making process can be, especially in this monkey, based on the synthesis of many information, ecological or social. And how fast is it! After all, what proves that Vervet… isn’t that stupid!

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About the Author: Abbott Hopkins

Analyst. Amateur problem solver. Wannabe internet expert. Coffee geek. Tv guru. Award-winning communicator. Food nerd.

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