science

Racket-tail

Racket-tail is a science 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 Racket-tail rather than just read about it. In short: The genus Prioniturus, commonly known as racket-tails, contains ten species in the parrot family Psittaculidae that are found in the Philippines and Indonesia. They are easily distinguished from all other parrots by their elongated central tail feathers with the bare shaft and spatula at the end.

Key takeaways

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

Reference excerpt

The genus Prioniturus, commonly known as racket-tails, contains ten species in the parrot family Psittaculidae that are found in the Philippines and Indonesia. They are easily distinguished from all other parrots by their elongated central tail feathers with the bare shaft and spatula at the end.

Taxonomy The genus Prioniturus was introduced in 1832 by the German naturalist Johann Georg Wagler to accommodate a single species, Psittacus platurus Vieillot, the golden-mantled racket-tail. This is the type species of the genus. The word Prioniturus combines the genus name Prionites introduced for the motmots by the German zoologist Johann Illiger in 1811, with the Ancient Greek ουρα/oura meaning "tail". The genus contains ten species:

Buru racket-tail, Prioniturus mada – Buru (central west Moluccas) Golden-mantled racket-tail, Prioniturus platurus – Sulawesi, satellites and Celebes Sea islands. Mindanao racket-tail, Prioniturus waterstradti – montane Mindanao (south Philippines) Montane racket-tail, Prioniturus montanus – montane north Luzon (north Philippines) Blue-headed racket-tail, Prioniturus platenae – Palawan group (southwest Philippines) Mindoro racket-tail, Prioniturus mindorensis – Mindoro (central north Philippines) Blue-winged racket-tail, Prioniturus verticalis – Sulu Archipelago (south Philippines) Yellow-breasted racket-tail, Prioniturus flavicans – north Sulawesi, Bangka Island and Lembeh (north, east of northeast Sulawesi) and Togian Islands (between northeast and central east Sulawesi) Green racket-tail, Prioniturus luconensis – Luzon (north Philippines) Blue-crowned racket-tail, Prioniturus discurus – Philippines (except north Luzon, Mindoro and Palawan group)

References

Illustrations

Worked examples

Example 1 — a first encounter with Racket-tail

Start with the simplest possible case. Write down what Racket-tail claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Racket-tail 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 Racket-tail 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 Racket-tail

In research: Racket-tail appears in science 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 Racket-tail 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: Racket-tail is common in secondary-school and first-year university syllabi. It links to neighbouring topics Birds of Malesia, Parrot stubs, Parrots, so understanding it makes those chapters shorter.
In everyday life: Look for Racket-tail 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 Racket-tail in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Racket-tail 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 Racket-tail out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Racket-tail in simple terms?

Why does Racket-tail matter?

Because it connects several science 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 Racket-tail?

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 Racket-tail.