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Dovetailing off the #WowScienceFact hashtag I want to dedicate a whole thread to all the things I find most wow enducing about crows and ravens. Ready?
Did you know there are 44 different Corvus (crows, ravens and rooks) species? They’re found on every continent except Antarctica and South America. Some of them, like the ʻalalā are among the rarest animals on earth. corvidresearch.blog/2017/01/05/the…
Given their unique natural histories, different species excel at different things. New Caledonian crows live on an island absent of woodpeckers so they’ve learned to use tools to eat food normally accessed by woodpeckers. They make hooks and toothed spears. 
