Ducklings are rather well-known for their ability to imprint on someone (usually their mother) or something shortly after hatching. Researchers at the University of Oxford were interested in understanding more about learning and memory in ducklings. Specifically, they wanted to know if a duckling simply remembered what they saw or if they were capable of more complex cognition involving determining whether objects had the same or different qualities.
After hatching, they placed ducklings in an enclosed space that contained either identical or different red shapes attached to a string that…
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