Wallum Sedge Frog
Conservation Lab
A tiny frog. A fragile habitat. A survival story written in acid.
Explore the science behind one of Australia's most vulnerable species.
Meet the Wallum Sedge Frog
Litoria olongburensis — a small, specialized amphibian that lives only in the acidic wetlands of coastal Queensland and northern NSW.
Quick Facts
Size: Up to 3.5 cm (tiny!)
Color: Light green to bronze with blue/purple thighs
Call: Soft, rapid buzzing sound
Status: Vulnerable (IUCN, EPBC Act)
location_onWhere Does It Live?
Restricted to coastal lowlands from K'gari (Fraser Island) to Woolgoolga, NSW. Found in protected areas like Noosa National Park and Great Sandy National Park.
play_circleSound and Vision of the Wallum Sedge Frog
Watch and listen to the frog in its natural wallum habitat. Notice the dense sedges and dark, acidic water.
water_dropCritical Habitat Requirements
Acidic Water
pH < 5.5 (as acidic as vinegar!)
Dense Vegetation
Sedges, reeds, ferns for shelter
Wallum Habitat
Sandy, nutrient-poor coastal wetlands
Semi-Permanent Swamps
Ephemeral pools that flood after rain
Learn More About the Species
External resources and scientific research
FrogID Species ProfileExternal
Calls, photos, and citizen science data
Queensland Government PDFExternal
Official species profile and conservation status
Ecosure - Wallum FrogsExternal
Challenges facing wallum frog species
ResearchGate StudyExternal
Scientific research on distribution and surveys