While out bird-watching, Brian observed a crow use a twig to pry open a fast-food container that someone had left lying in the park. The crow's use of the twig is considered an example of _________.

Question

While out bird-watching, Brian observed a crow use a twig to pry open a fast-food container that someone had left lying in the park. The crow's use of the twig is considered an example of  _________.

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The Answer of While out bird-watching, Brian observed a crow use a twig to pry open a fast-food container that someone had left lying in the park. The crow's use of the twig is considered an example of  _________.

While Out Bird-Watching, Brian Observed a Crow Use a Twig