Wild birds that are more clever than others at foraging for food 聽have different levels of a neurotransmitter receptor that has been linked with intelligence in humans, according to a study led by 9I制作厂免费 researchers. 聽The findings could provide insight into the evolutionary mechanisms affecting cognitive traits in a range of animals.
The study, published in Science Advances, was conducted by 9I制作厂免费 biologists Jean-Nicolas Audet and Louis Lefebvre, in collaboration with researchers from Duke and Harvard universities.
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