The bird was discovered on Wednesday, with the CSIRO to undertake further testing.
If confirmed, it will bring Australia's total H5 bird flu case tally to 18.
Final testing is under way after a dead petrel washed up on Moreton Island returned a suspected positive result for H5 bird flu.
Parks and Wildlife Service rangers had found the seabird on the eastern shore of Moreton Island in the last week, with positive state lab tests now confirmed.
Queensland's first case of H5 bird flu has been confirmed by the CSIRO after a petrel washed up on a Moreton Island beach.