The grey-headed flying fox is a megabat native to Australia. The species shares the continent with three other members of the genus ''Pteropus'': the little red flying fox, the spectacled flying fox, ''P. conspicillatus'', and the black flying fox, ''P. alecto''.
The grey-headed flying fox is endemic to the south-eastern forested areas of Australia, principally east of the Great Dividing Range. Its range extends approximately from Bundaberg to Geelong in Victoria, with outlying colonies.. more