biology

Sunda coucal

Sunda coucal 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 Sunda coucal rather than just read about it. In short: The Sunda coucal (Centropus nigrorufus), also known as the Javanese lathe, is a cuckoo species in the family Cuculidae that is endemic to Java, Indonesia. It inhabits mangroves, freshwater swamp forests and grasslands near brackish water.

Key takeaways

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

Reference excerpt

The Sunda coucal (Centropus nigrorufus), also known as the Javanese lathe, is a cuckoo species in the family Cuculidae that is endemic to Java, Indonesia. It inhabits mangroves, freshwater swamp forests and grasslands near brackish water. It has been listed as Vulnerable on the IUCN Red List since 1994, as the small population is threatened by habitat destruction and trapping. It feeds on grasshoppers, ground beetles, moths, geckos, snakes and frogs; it was also observed while picking rice seeds in a paddy field.

References

External links BirdLife International (2019). "Javan Coucal Centropus nigrorufus".

Illustrations

Worked examples

Example 1 — a first encounter with Sunda coucal

Start with the simplest possible case. Write down what Sunda coucal 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 Sunda coucal 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 Sunda coucal 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 Sunda coucal

In research: Sunda coucal 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 Sunda coucal 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: Sunda coucal is common in secondary-school and first-year university syllabi. It links to neighbouring topics Birds described in 1817, Birds of Java, Centropus, so understanding it makes those chapters shorter.
In everyday life: Look for Sunda coucal 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 Sunda coucal in 20 minutes

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

Frequently asked questions

What is Sunda coucal in simple terms?

Why does Sunda coucal 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 Sunda coucal?

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 Sunda coucal.