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Ravens Crow With Individual Flair
By Jason G. Goldman on March 23, 2018
Ravens produce different types of calls depending on their age and sex—which might help ravens size up other individuals. Jason G. Goldman reports.
There's a well-known conspiracy of ravens—that's what you call a group of ravens—that likes to hang out near a zoo in the Austrian Alps. Every day these ravens conspire to steal the food that's set out for the wild boars there.
"So we have a really great opportunity to really watch those individuals daily. "
University of Vienna cognitive biologist Markus Boeckle. He spends lots of time ignoring the zoo animals and watching the ravens.
More:
https://www.scientificamerican.com/podcast/episode/ravens-crow-with-individual-flair/