Spontaneous use of tools as straws in great apes

@article{Manrique2010SpontaneousUO,
  title={Spontaneous use of tools as straws in great apes},
  author={H{\'e}ctor Mar{\'i}n Manrique and Josep Call},
  journal={Animal Cognition},
  year={2010},
  volume={14},
  pages={213-226}
}
Great apes can use multiple tools to extract food embedded in substrates and can invent new ways to exploit those resources. We tested five bonobos, five chimpanzees, and six orangutans in a task in which they had to use (and modify) a tool as a straw to drink the juice located inside a container. Experiment 1 showed that four orangutans and one chimpanzee… CONTINUE READING