Crows Can Hold A Grudge Way Longer Than You CanThe rest of this article is behind a paywall. Please sign in or subscribe to access the full content.We’re not kidding. The average life expectancy of a single crow is about seven or eight years in the wild – but “it’s now 14 years that the birds continue to respond to us,” John Marzluff, a professor of wildlife science at the University of...
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