Oriol Alamany / Eastern Whipbird (Psophodes olivaceus), rainforest of Green Mountains, Lamington National Park, Rainforests of Australia UNESCO World Heritage Site, Queensland, Australia

Eric Sohn Joo Tan / Chestnut-breasted Quail-thrush (Cinclosoma castaneothorax) calling male, Queensland, Australia

Martin Willis / Chestnut-breasted Quail-thrush (Cinclosoma castaneothorax) father with begging chicks in nest, Kirkalocka Station, Mount Magnet, Western Australia, Australia

Eric Sohn Joo Tan/ BIA / Chestnut Quail-thrush (Cinclosoma castanotus) male, South Australia, Australia

Bruce Thomson / Eastern whipbird (Psophodes nigrogularis) perched on branch, eastern Australian temperate rainforest, Border Ranges, Queensland, Australia.

Bruce Thomson / Eastern whipbird (Psophodes nigrogularis) perched on branch, eastern Australian temperate rainforest, Border Ranges, Queensland, Australia.

Bruce Thomson / Chirruping wedgebill (Psophodes cristatus) perched on branch in Saltbush shrubland, Manna Hill, South Australia.

Bruce Thomson / Chirruping wedgebill (Psophodes cristatus) perched on branch in Saltbush shrubland, Manna Hill, South Australia.

Bruce Thomson / Chestnut quail-thrush (Cinclosoma castanotum) female, walking over sandy ground in Mallee woodland, Hattah, Victoria, Australia.

Bruce Thomson / Chestnut quail-thrush (Cinclosoma castanotum) male, walking over sandy ground in Mallee woodland, Hattah, Victoria, Australia.

Bruce Thomson / Spotted quail thrush (Cinclosoma punctatum) female, foraging in forest leaf litter, Bungonia Gorge, New South Wales, Australia.

Bruce Thomson / Eastern whipbird (Psophodes olivaceus) male perched in branch in forest, Ravensbourne, Queensland, Australia.

Rob Drummond/ BIA / Cinnamon Quail-thrush (Cinclosoma cinnamomeum) male, South Australia, Australia