Making new friends to get ahold of a tastier morsel is doable for jackdaws, but ditching family is a whole other thing.
to split a group of jackdaws, members of the crow family found in Europe, western Asia and North Africa, into two randomly sorted groups—A and B. They then tagged the birds with transponder chips, worn like little anklets, to tell who was who.As many animal studies go, there’s got to be some kind of snack involved.
“The fundamental idea is that if you need to keep track of interactions you have had with other individuals, remember the outcomes of those interactions and use those to adjust your [behavior],” Thornton told the“What we were able to do here was test the idea: can individuals keep track of the outcomes of past interactions and update their relationships. It turns out they can.”
For the authors, these results can give us clues to the evolution of intelligence, memory, and social status in the animal kingdom—and even in the human world. “Our findings also help us to understand how societies emerge from individual decisions,” author and Exeter PhD student Josh Arbon
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