New electronic tags are the first to detect when birds meet in the wild, even when no humans are nearby, and are helping scientists study crows’ “social networks.”
The study looks at crows in New Caledonia, an archipelago of islands in the South Pacific. The crows are famous for using different tools to extract prey from deadwood and vegetation. Biologists wondered whether the birds might learn by watching each other, and have used tags made at University of Washington to figure it out.
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Photo credit: U. Washington