Corroboree Frog

Corroboree frogs are some of the most immediately recognizable frogs that can be found in Australia. They are small species of poisonous frogs native to the region of Southern Tablelands. Mainly two species of Corroboree frogs exist; i.e. the Northern Corroboree frogs and Southern Corroboree frogs. The populations of this species are now critically endangered. The Corroboree Frog endangered species have been greatly reduced in numbers over the years.

Corroboree Frog

Corroboree Frog

 

Description of Corroboree Frog

Here is a brief description of the corroboree frog.

Color

The color of the corroboree frog is its most distinct feature. Corroboree frogs can be immediately identified by their yellow and black that covers all of their bodies. There can also be black and white stripes or black and yellow stripes on their bellies. The Northern Corroboree frogs tend to have distinctly thinner stripes with yellow greenish coloration.

Picture 1 - Corroboree Frog

Picture 1 – Corroboree Frog

Size

Typically the Corroboree Frog size ranges between 2.5 cm and 3 cm. The Northern Corroboree frogs are comparatively smaller than Southern Corroboree frogs.

Sexual dimorphism

The males are typically shorter in size than females.

Texture

The texture of the skin from the top of the body is rough and the underside of the body is comparatively smooth.

Toes

Corroboree frogs have got un-webbed toes; a characteristic that is quite dissimilar to other frogs.

Corroboree Frog Scientific Classification

Kingdom: Animalia

Phylum: Chordata
Order: Anura
Class: Amphibia
Family: Myobatrachidae
Genus: Pseudophryne

Scientific Name:Pseudophryne corroboree

Distribution and Range of Corroboree Frog

Since the population of these frogs has been declining steadily for quite some time, they now exist only in some limited parts in Australia. Most of the surviving Northern Corroboree frogs can be found along Brindabella Ranges as well as State Forests near the Fiery Range. The Southern Corroboree frogs are mostly spotted in the Kosciuszko National Park region. Currently, they are found mostly in sub-alpine locations of Australian Capital Territory along with the southern parts of New South Wales. They are also common in protected field enclosures in Australia.

Habitat of Corroboree Frog

The Corroboree frogs most of their time in montane forests, subalpine woodlands and tall heath close to their breeding areas. During the breeding months, they can be observed mainly wet tussock grasslands, wet heath, fens as well as seepages and pools in the sphagnum bogs. They also love water bodies having low water levels along with sufficient surface areas.

Diet of Corroboree Frog

Tadpoles mostly consume algae and organic substances that are found around the pools. The adults eat anything from insect larvae and beetles to ants, mites and various other types of invertebrates.

Picture 4 - Corroboree Frog

Picture 4 – Corroboree Frog

The feeding habits change in winter months during which time they hardly eat anything or consume very less food.

Behavior of Corroboree Frog

Here are some common behavioral traits of the Corroboree frogs.

  • Corroboree frogs do not start breeding as long as they reach 4 years of age.
  • These frogs hibernate during the winter season under any shelter that they can find.
  • The Corroboree frogs have got no webbed feet, which is why they do not walk like other frogs. Instead, their movement typically resembles the motion of lizards.
  • The males usually mate with numerous females within a single mating season.
  • Males protect the eggs as they lay in the nests.

Corroboree Frog Call

The Corroboree Frog sound can be characterized as a short and grating ark sound.

Predators of Corroboree Frog

Certain types of fishes and birds are known to prey on Corroboree frogs. However, most of the times their populations are threatened due to the destruction of their habitat, increase in the presence of a fungus, the attacks of feral animals, ozone layer depletion resulting in excess UV radiation and extended drought cycles.

 

Adaptations of Corroboree Frog

The adaptations of Corroboree frogs help them to live within their natural surroundings. Their poisonous skin is caused by secretion of certain alkaloids which can minimize their predation from threatening animals. These frogs can also store deposits of uric acid anytime they are not living in water. This helps them to easily extract water as and when they need it.

Video of Corroboree Frog

Mating Season of Corroboree Frog

The mating season of the Corroboree frogs lasts during the period between early and late summer months which is around January and February.

Reproduction of Corroboree Frog

Most Corroboree frogs reach sexual maturity at about 4 years of age. However, some of them also reach sexual maturity by the age of 3 years. The female lays about 35 eggs after copulation. A nest or burrow might also contain eggs laid by other females who have been fertilized by the same male.

Picture 6 - Corroboree Frog

Picture 6 – Corroboree Frog

The male frogs eject their sperm directly on the eggs. The tadpoles come out after they reach a certain stage of maturity. The tadpoles take about 7- 8 months to hatch. Once they hatch and go through their developmental stage, they require an increased amount of water supply.

Life Cycle of Corroboree Frog

Tadpoles stay within the protective covering of the egg coat for about 7 months. They come out only when the eggs are flooded by spring thaw or autumn rains.

Corroboree Frog Life Cycle

Corroboree Frog Life Cycle

The juveniles gradually metamorphose into adult forms as they lay for a couple of months within moist vegetation. The adults tend to migrate back to dry heathland which they use as winter habitat.

Life Span of Corroboree Frog

In the wild, corroboree frogs have a life span of about 5 years.

As Pets of Corroboree Frog

Since the corroboree frogs are a highly endangered species, it is not possible for people to keep them as pets.

Conservation Status of Corroboree Frog

Corroboree frogs are listed under the segment of “Critically Endangered” by the IUCN. Over the years, their numbers have declined steadily due to various factors. Currently, numerous attempts are being taken to conserve them.

Fun Facts of Corroboree Frog

These are some fun facts about the Corroboree frogs.

  • Unlike most of the frog species, the Corroboree frogs do not have webbed feet.
  • Typically males breed with multiple females and they all tend to lay eggs on the same burrow.
  • It is rather difficult to spot a Corroboree frog in the wild, partly because they are secretive and partly because only a few of them exist these days.
  • These frogs are capable of secreting poisonous alkaloids which they produce on their own.
  • It is mainly the males that protect the eggs from being destroyed.
  • Numerous captive breeding programs are now being held to preserve their numbers.

Pictures of Corroboree Frog

Here are some of the pictures of Corroboree frogs.

Picture 3 - Corroboree Frog

Picture 3 – Corroboree Frog

Picture 5 - Eastern Newt Picture

Picture 5 – Eastern Newt Picture

Picture 7 - Corroboree Frog

Picture 7 – Corroboree Frog

References 

https://www.corroboreefrog.org.au/biology/life-cycle/” rel=”nofollow”>Click Here

https://www.zoo.org.au/melbourne/animals/southern-corroboree-frog” rel=”nofollow”>Click Here

https://www.arkive.org/corroboree-frog/pseudophryne-corroboree/” rel=”nofollow”>Click Here

https://www.environment.nsw.gov.au/threatenedspeciesapp/profile.aspx?id=10693″ rel=”nofollow”>Click Here

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