Behaviour
Black Currawongs are found singly or in pairs, but may gather into groups of 20 to 80 birds. Birds have been observed digging wet yellow clay out of a drain and applying it all over their plumage. Wiping the carpal areas of wings in particular with their bills, they did not appear to wash afterwards, using the procedure as a form of dirt bath. The Black Currawong has an undulating flight pattern in time with its wing beats, and often cocks its tail in the air for balance when it lands. Play behaviour has been observed, particularly with subadult individuals. Black Currawongs have been observed wrestling with each other, where a bird would attempt to force its opponent on its back, at Maydena, while others have been reported rolling on their backs and juggling with food items such as pears with their feet.
Chewing lice are small arthropods, many species of which are found on (and specific to) single species of birds; one species, Australophilopterus curviconus, has been recovered and described from a Black Currawong near Launceston.
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