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Raven vs crow: what's the difference and how do you tell them apart?
An adult crow is 17-21 inches long, 11-21 oz. in weight, and has a wingspan of 33-39 inches. Ravens and crows are known for their special skill sets and intelligence. They are regarded as the most ...
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Jays demonstrate remarkable patience, matching human-like intelligence
Jays, birds commonly found throughout Poland, exhibit remarkable self-control, as confirmed by research published in ...