Hawaiian crow could help us learn about evolutionary origins of tool-using behavior

Mongabay
Sep 16, 2016, 1:40 pm121 pts
There are only a handful of bird species known to use tools for foraging in the wild, and now the ‘Alalā, or Hawaiian crow, can be counted as one of them. According to a study published in the journal Nature this week, the New Caledonian crow (Corvus moneduloides), which inhabits only the main island of the…

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