Atlas of Living Australia (ALA) via https://bie.ala.org.au/species/Tawny Grassbird
Cincloramphus timoriensis
At riskhigh flu risk
The tawny grassbird (Cincloramphus timoriensis) is a large songbird that is a member of the family Locustellidae commonly found in grassland and reedbed habitats. It is streaked above and has a distinctive rich brown cap. Its underside is paler and it has a long graduated tail. They call often with "loud, grumpy churring calls and a longer call that starts tick-tick-tick-tick and ends with an explosive descending trill". The tawny grassbird has 10 identified sub-species found in Australia, Indonesia, Papua New Guinea and the Philippines.