biology

Plain-backed kingfisher

Plain-backed kingfisher 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 Plain-backed kingfisher rather than just read about it. In short: The plain-backed kingfisher (Actenoides princeps regalis) is a kingfisher in the subfamily Halcyoninae that is endemic to southeastern Sulawesi in Indonesia. It is known from two specimens from interior montane forests at an elevation around 2,000 m.

Key takeaways

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

Reference excerpt

The plain-backed kingfisher (Actenoides princeps regalis) is a kingfisher in the subfamily Halcyoninae that is endemic to southeastern Sulawesi in Indonesia. It is known from two specimens from interior montane forests at an elevation around 2,000 m. It is likely threatened by ongoing deforestation. The International Ornithologists' Union consider the plain-backed kingfisher as a subspecies of the scaly-breasted kingfisher (Actenoides princeps) but some taxonomists elevate the taxon to species status.

References

Worked examples

Example 1 — a first encounter with Plain-backed kingfisher

Start with the simplest possible case. Write down what Plain-backed kingfisher 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 Plain-backed kingfisher 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 Plain-backed kingfisher 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 Plain-backed kingfisher

In research: Plain-backed kingfisher 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 Plain-backed kingfisher 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: Plain-backed kingfisher is common in secondary-school and first-year university syllabi. It links to neighbouring topics Actenoides, Birds described in 1932, Coraciiformes stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Plain-backed kingfisher 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 Plain-backed kingfisher in 20 minutes

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

Frequently asked questions

What is Plain-backed kingfisher in simple terms?

Why does Plain-backed kingfisher 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 Plain-backed kingfisher?

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 Plain-backed kingfisher.