A South Australian body boarder says a bird infected with H5 bird flu tried to bite him when he found it struggling in the surf.

A migratory seabird found near Esperance has become the second bird to test positive to the H5 avian flu in Australia

The desperate effort to prevent a bird flu outbreak has widened, with authorities testing two dead seabirds found in South Australia.

Two dead seabirds are being tested for bird flu in South Australia.