the hawaiian crow (‘Alal?) use stick tool to extract food. ‘Alal? have relatively straight bills and highly mobile eyes — morphological features that may aid their handling of bill-held tools —”let this discovery serve to emphasise the importance to conserving these and other animal species so that we can continue to learn ever more about the range of their behaviour before they vanish for ever in the 6th great wave of extinction.”

read article : tropical crow species is highly skilled tool user


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