biology

Peron's tree frog

Peron's tree frog is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Peron's tree frog rather than just read about it. In short: Peron's tree frog (Pengilleyia peronii), also known as the emerald-spotted tree frog, emerald-speckled tree frog, laughing tree frog, and maniacal cackle frog, is species of tree frog in the family Pelodryadidae. It is a common frog found in Australia.

Key takeaways

Peron's tree frog belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Peron's tree frog to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Peron's tree frog from memory before moving on to harder problems.

Reference excerpt

Peron's tree frog (Pengilleyia peronii), also known as the emerald-spotted tree frog, emerald-speckled tree frog, laughing tree frog, and maniacal cackle frog, is species of tree frog in the family Pelodryadidae. It is a common frog found in Australia.

Description and habitat Peron's tree frog is one of the most variably coloured frogs in Australia, with the ability to change colour in less than one hour. They don't like to be handled for long periods of time. They also vary in shades of grey and brown, where their lightest is almost white. The frog has mottled yellow and black thighs, armpits, and groin. Occasionally, emerald spots are found on the back, which increase in number with age. A characteristic uncommon in the family Pelodryadidae is pupils which appear cross-shaped. This characteristic is only shared with Tyler's tree frog within the genus Pengilleyia. The male Peron's tree frog is about 44–53 mm, while females are 46–65 mm. These frogs prefer living in places full of climbing material, (stones and sticks), and may remain in water for long periods of time.

Ecology and behaviour

The call of Peron's tree frog is a high-pitched cackle, giving it the common names: the "laughing tree frog" and the "maniacal cackle frog". The frog is found in forests, woodlands, shrublands, and open areas, often far from a water source. They inhabit a variety of niches, predominantly arboreal, such as tree hollows, cracks, and beneath flaking bark. The frog is commonly found near civilisation (such as suburban Sydney), using ponds as their breeding-water source. They can often be seen on windows or near lights at night, hunting the insects attracted to these light sources. They can often be found at dusk on houseboat windows and beneath street lamps along the Murray River in South Australia.

As a pet In Australia, this animal may be kept in captivity/zoo with the appropriate permit.

References Jean-Marc Hero, Peter Robertson, John Clarke. 2004. Leptopelis peronii. 2006 IUCN Red List of Threatened Species. Retrieved 11 June 2015. Cogger, H. G. (1979). Reptiles & Amphibians of Australia. A. H. & A. W. Reed Pty Ltd. ISBN 0-589-50108-9. Article Road: List of All Frog Breeds: Things You Can Do to Ensure Your Frog Has a Long, Happy and Healthy Life: Peron's Tree Frog Department of Environment, Climate Change and Water, New South Wales: Amphibian Keeper's Licence: Species Lists

External links Media related to Litoria peronii at Wikimedia Commons

Illustrations

Worked examples

Example 1 — a first encounter with Peron's tree frog

Start with the simplest possible case. Write down what Peron's tree frog claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Peron's tree frog before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Peron's tree frog ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Peron's tree frog

In research: Peron's tree frog appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Peron's tree frog in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Peron's tree frog is common in secondary-school and first-year university syllabi. It links to neighbouring topics Amphibians described in 1838, Amphibians of New South Wales, Amphibians of Queensland, so understanding it makes those chapters shorter.
In everyday life: Look for Peron's tree frog outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Peron's tree frog in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Peron's tree frog means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Peron's tree frog out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Peron's tree frog in simple terms?

Why does Peron's tree frog matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Peron's tree frog?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Peron's tree frog.