science

Macquarie rail

Macquarie rail 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 Macquarie rail rather than just read about it. In short: The Macquarie rail (Gallirallus philippensis macquariensis), also known as the Macquarie Island rail, is an extinct subspecies of the buff-banded rail endemic to Macquarie Island, a subantarctic island that is part of the state of Tasmania, Australia. The holotype is in the collection of the Museum of New Zealand Te Papa Tongarewa.

Key takeaways

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

Reference excerpt

The Macquarie rail (Gallirallus philippensis macquariensis), also known as the Macquarie Island rail, is an extinct subspecies of the buff-banded rail endemic to Macquarie Island, a subantarctic island that is part of the state of Tasmania, Australia. The holotype is in the collection of the Museum of New Zealand Te Papa Tongarewa.

Distribution and habitat The rail was confined to Macquarie Island, where it occupied tussock grassland.

Extinction The probable cause of extinction was predation by feral cats and wekas, exacerbated by habitat destruction caused by rabbits. Although the rail had coexisted with the cats for over 70 years, the introduction of rabbits enabled an increase in the cat population, leading to increased predation on rails in winter with the rabbits at seasonally low numbers.

References

External links Data related to Hypotaenidia philippensis macquariensis at Wikispecies

Worked examples

Example 1 — a first encounter with Macquarie rail

Start with the simplest possible case. Write down what Macquarie rail 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 Macquarie rail 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 Macquarie rail 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 Macquarie rail

In research: Macquarie rail 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 Macquarie rail 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: Macquarie rail is common in secondary-school and first-year university syllabi. It links to neighbouring topics Birds described in 1879, Birds of Macquarie Island, EPBC Act extinct biota, so understanding it makes those chapters shorter.
In everyday life: Look for Macquarie rail 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Macquarie rail” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Macquarie rail in 20 minutes

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

Frequently asked questions

What is Macquarie rail in simple terms?

Why does Macquarie rail 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 Macquarie rail?

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 Macquarie rail.