It is found in eastern Australia ; it winters in Papua New Guinea .
The white - throated nightjar ( Eurostopodus mystacalis ) is a species of nightjar in the family Caprimulgidae .
white - throated nightjar is found in eastern Australia ; white - throated nightjar winters in Papua New Guinea .
The white - throated nightjar ( Eurostopodus mystacalis ) is a species of nightjar in the family Caprimulgidae .