There are about 1829 breeding pairs of northern giant petrel; 2534 breeding pairs of southern giant petrels; and 1030 breeding skua pairs on Macquarie Island.
Reported deaths following 2010 baiting as at 8 October 2010 included 276 northern giant petrels (7.5% of number in breeding population); 10 southern giant petrels (0.2%); and 91 skuas (4.4%)
https://www.parks.tas.gov.au/file.aspx?id=20985
There are about 1829 breeding pairs of northern giant petrel; 2534 breeding pairs of southern giant petrels; and 1030 breeding skua pairs on Macquarie Island.
Reported deaths following 2010 baiting as at 8 October 2010 included 276 northern giant petrels (7.5% of number in breeding population); 10 southern giant petrels (0.2%); and 91 skuas (4.4%)
https://www.parks.tas.gov.au/file.aspx?id=20985