Dainty Green Tree Frog

Fascinating facts about the Dainty Green Tree Frog

• A 45-mm adult dainty green tree frog fits on the tip of your thumb – that’s just 1.8 inches from snout to vent. Its bright orange eyes and a thin yellow line from nostril to eye set it apart from its red-eyed cousins. Spotting that line in the underbrush tells you you’ve found the smallest of the trio.
• From Cape York down to Gosford, this frog inhabits rainforests, woodlands and even backyard gardens, often perched on plants that dip into streams or temporary pools. Its three-quarters webbed fingers and fully webbed toes let it glide among reeds and foliage with ease. The breadth of its range shows how adaptable a tiny amphibian can be in both wild and suburban settings.
• After a summer thunderstorm, males launch a long “waa” or growl-like “aarrrc” that echoes through flooded grasslands. Males form noisy choruses during the summer breeding season, each call advertising a spot to lay eggs.
• Eggs are deposited in a clear jelly mass that clings to underwater vegetation, then hatch into dark-brown tadpoles with a yellow-tinged belly. It takes roughly 14 weeks for those tadpoles to metamorphose into froglets. The long development period links the species tightly to the seasonal availability of water.
• One of Brisbane’s two official faunal emblems, the dainty green tree frog also shows up on farms, especially banana plantations, where it hitchhikes on produce. Those accidental journeys spread the frog – and any pathogens it carries – far beyond its native range.

At a glance

About the Dainty Green Tree Frog

The dainty green tree frog, Litoria gracilenta, is a slender, medium-sized arboreal amphibian that reaches about 45 mm (1.8 in) in length. Its dorsal skin glistens in a rich green, contrasted by a bright yellow ventral surface, while its coarse, granular texture is punctuated by vivid orange eyes, some individuals bear a delicate light-blue ring around the iris. A thin yellow or white line runs from nostril to eye, a key field mark that separates it from the red-eyed tree frog (C. chloris) and the orange-thighed frog (C. xanthomera). The posterior thigh shimmers purple-brown or maroon, and the tympanum is conspicuously visible. Its fingers are three-quarters webbed, the toes fully webbed, giving it an elegant, almost aerodynamic silhouette as it clings to vegetation that crowns streams and swamps. In the rain-kissed rainforests, woodlands and even suburban gardens of eastern Queensland and north-eastern New South Wales, this frog thrives on insects that flutter around fruit and vegetable farms, especially bananas, making it a frequent hitch-hiker on produce. After heavy spring or summer rains, males assemble in noisy choruses, emitting a long “waa” or growl-like “aarrrc” that reverberates over flooded grasslands and small ponds where females lay jelly-bound egg clusters on submerged foliage. The dark brown tadpoles, tinged yellow along their bodies, develop over roughly 14 weeks before metamorphosing into the agile, bright-green adults, a life cycle that underscores the species’ remarkable adaptability to both pristine and human-altered waterways.

More other animals to discover

Browse Feravox