Brittany Florkiewicz, an assistant professor of psychology at Lyon College, and Lauren Scott, a medical student at the University of Kansas Medical Center, have together found that housecats have hundreds of facial expressions that they use when interacting with other cats. In their study, reported in the journal Behavioral Processes, the pair recorded and analyzed the facial expressions of a large number of domesticated housecats residing in a cat cafe in Los Angeles.
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Source: Phys.org