 The call is a low drumming , accompanied by a tuk , tuk , tuk made with the wings . The nature of the <unk> led to a local legend that the sound is made by the bird beating on a hollow tree or branch with its feet . Gerd Heinrich noted the local name " <unk> " , meaning drum , and described the call as being a subdued drumming purre – purre – purre – purre – purre which sometimes ends in a loud <unk> scream . The bird also produced a dull hum similar to the voice of the banded pig ( <unk> <unk> <unk> ) and reminiscent of the call of the <unk> rail ( <unk> <unk> ) . Calling is most frequent in the early morning or late evening , and a human tapping a sago stem with a machete may elicit a response from the bird . A quieter version of the call is given at the nest . Other sounds attributed to this rail , such as loud screams , may be incorrect , since they are like those produced by the pale @-@ vented bush @-@ hen ( <unk> <unk> ) . 
