Frogs

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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.

Frog

Scientific Name

Status

Known locations

Call

Calling period

Marsh Frog

Limnodynastes peronii

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

Description

 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.

Common Eastern Froglet

Crinia signifera

Locally abundant and extremely common

Widespread throughout Ku-ring-gai

‘Crick-crick-crick’ sounds like a ratchet

Heard all year round.

Description

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.

Peron’s Tree Frog

Litoria peronii

Common

Widespread throughout Ku-ring-gai

A drill-like call, which has also been described as a ‘maniacal cackle’

Peak Period: September – January

Description:

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.

Leaf-green Tree Frog or Stream Frog

Litoria phyllochroa

Common

Widespread throughout Ku-ring-gai

A soft ‘erk-erk-erk’

Peak Period: October – February

Description:

The Leaf-green Tree Frog is a small species up to 4cm 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.

Red-crowned Toadlet

Pseudophryne australis

Threatened species: Vulnerable under NSW BC Act.

Locally common where habitat is available.

St Ives, North Turramurra,

West Pymble,

Roseville

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

Description:

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.

Eastern Dwarf Tree Frog

Litoria fallax

Common

St Ives, Turramurra, West Pymble, Roseville Chase

A ratchet-like ‘reek-pip-reek-pip-pip’.

Peak Period: October – February

Description:

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 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.

Verreaux’s Frog or Whistling Tree Frog

Litoria verreauxii

Uncommon

Warrawee, Roseville

A quiet ‘weep-weep-weep’

Peak Period: March – July

Description:

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.

Green Tree Frog

Litoria caerulea

Uncommon

Unknown

A loud, deep ‘crawk-crawk-crawk’, like a large dog barking

Peak Period: November – February

Description:

Possibly the most well known native frog in Sydney, the large Green Tree Frog (up to 11cm body length)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.

Freycinet’s Frog or Rocket Frog

Litoria freycineti

Uncommon

Unknown

A rapid yapping or quacking call

Peak Period: November – January

Description:

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.

Green and Golden Bell Frog

Litoria aurea

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

Description:

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.