Although I love finding out about how traits supposedly unique to humans are shared by animals, I don’t see how the experiment in this article demonstrates episodic memory in hummingbirds. How is this not the simple sensing (smelling) of the sugar drink in the syringes?
Yvonne Lyerla Sonoma, Calif.
Researcher T. Andrew Hurly says that his team has tested the birds on arrays of fake flowers, only half of which hold nectar.
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