The Incredulous New Caledonian Crows
10,000 Birds
SEPTEMBER 18, 2012
Capuchin monkeys, macaques, Cotton Top Tamarins, Chimpanzees, and many other animals, including various birds, have been investigated and found to be unable to make inferences about HCAs. Taylor, Alex, Miller, Rachael, & Gray, Russell (2012). Here, the crows are initially very jittery, frequently inspecting the hole of mystery.
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