With its variety of water habitats, Ku-ring-gai is home to many different species of frog. Our frog population is constantly changing – in a particularly wet season frogs like the Striped Marsh Frog will thrive, while during a dry year, tree frogs will flourish.

Explore our many species below.

A ratchet-like ‘reek-pip-reek-pip-pip’. Often heard from September to April both day and night.

Frog   Scientific Name     Description Status  Known locations  Call   Calling period  
Striped Marsh Frog Limnodynastes peronei

A very common and widespread species, the hardy Striped Marsh Frog can live in almost any permanent water source in Sydney.

This large frog has a mottled, striped brown body, often with a pale cream stripe down its back.

Locally abundant and extremely common Widespread throughout Ku-ring-gai The male Striped Marsh Frog’s call is a loud ‘tok’ or ‘whuck’ Can be heard all year round.

Peak Period: October – March

Common Eastern Froglet Litoria phyllochroa One of the smallest, most common frogs in Ku-ring-gai. Common Eastern Froglets vary greatly in colour and pattern, ranging from rusty red to grey or yellow. Very adaptable. Locally abundant and extremely common Widespread throughout Ku-ring-gai ‘Crick-crick-crick’ sounds like a ratchet Heard all year round.
Peron’s Tree Frog Pseudophryne australis Peron’s Tree Frog is a large species with a grey and brown mottled appearance, often with tiny green specks on its back. It has large, silvery eyes with a pupil shaped like a cross and large toe discs to help it climb. Some frogs also have bright orange and brown marbled thighs. These frogs are often found between leaves of Gymea lilies near the ground or Pittosporum or Tristaniopsis trees quite high up where it is well protected by camouflage. Common Widespread throughout Ku-ring-gai A drill-like call, which has also been described as a ‘maniacal cackle’ Peak Period: September – January
Leaf-green Tree Frog or Stream Frog Litoria phyllochroa The Leaf-green Tree Frog is a small species up to 40mm long and light green to dark olive green in colour with a cream or gold stripe from the nostril to the eye and a black stripe down the back. They can change colour rapidly to camouflage themselves. These frogs are usually found on creek lines on the leaves of Callicoma and Tristaniopsis trees and can breed in backyard fish ponds or dams. Due to the poor quality of urban creeks and catchments, they are in decline. Common Widespread throughout Ku-ring-gai A soft ‘erk-erk-erk’ Peak Period: October – February
Red-crowned Toadlet Litoria fallax An unmistakable small species of frog measuring less than 3cm in body length. It has a dark grey or dark brown back, with bright red or orange patches on the head and lower back. This species has a restricted distribution, occurring in wet drainage lines amongst leaf litter, below sandstone ridges. Threatened species: Vulnerable under NSW BC Act.

Locally common where habitat is available.

St Ives, North Turramurra,

West Pymble,

They call several times in quick succession, as these frogs commonly live in small colonies and answer each other Can be heard all year round.

Peak Period: August - February

Eastern Dwarf Green Tree Frog Litoria fallax This frog is a slender species, green with a white stripe on the side of the head. The backs of the thighs and groin are orange to yellow, with light brown or fawn legs. Eastern Dwarf Green Tree Frogs are commonly found in large numbers along the edges of swamps, ponds and streams throughout Sydney. They like to sit on top of large reeds or in thick Lomandra sedges where they are well camouflaged. Common St Ives, Turramurra, West Pymble, Roseville Chase A ratchet-like ‘reek-pip-reek-pip-pip’. Often heard from September to April both day and night. Peak Period: October – February
Verreaux’s Frog or Whistling Tree Frog Litoria verreauxii A small, light brown frog with a dark line down the centre of its back and dark stripe on the side of its head. The inside of its legs vary in colour from yellow through to red-orange and the belly is off-white. This species is mostly found around dams, ponds and sometimes in suburban gardens, however, its range has reduced and the species is in decline. Uncommon Warrawee, Roseville A quiet ‘weep-weep-weep’ Peak Period: March – July
Green Tree Frog Litoria caerulea Possibly the most well known native frog in Sydney, the large Green Tree Frog is dark olive to bright green, sometimes with white spots on the back and sides. Surprised humans often find them in mailboxes, meter boxes, bathrooms and toilet blocks in the warmer months. Instantly recognisable due to their large eyes and ‘friendly’ smile. Uncommon Unknown A loud, deep ‘crawk-crawk-crawk’, like a large dog barking  Peak Period: November – February
Freycinet’s Frog or Rocket Frog Litoria freycineti Freycinet’s Frog is a small species, mottled brown in colour, with a pointed snout; patches, warts and skin folds all over its body, often in triangular rows; and fully webbed toes. These frogs are usually found in swampy areas, rocky creeks and coastal heathland in Ku-ring-gai, Hornsby and rural areas. They spend most of their time on the ground and are excellent jumpers. Uncommon Unknown A rapid yapping or quacking call Peak Period: November – January
Green and Golden Bell Frog Litoria aurea A large species of frog reaching up to 8.5cm in body length. It has a bright green back with gold patches, although it can become almost completely dark brown when the frog is cold or inactive.

Threatened species: Endangered under NSW BC Act and Vulnerable under Commonwealth EPBC Act.

Probably extinct locally

Unknown It has a distinctive three-part call that sounds a bit like a motor bike changing gears  Peak Period: October - January