biology

Imber's petrel

Imber's petrel 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 Imber's petrel rather than just read about it. In short: Imber's petrel (Pterodroma imberi) is an extinct seabird of gadfly petrel from the Chatham Islands. The species' epithet commemorates New Zealand ornithologist Mike Imber (1940–2011).

Key takeaways

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

Reference excerpt

Imber's petrel (Pterodroma imberi) is an extinct seabird of gadfly petrel from the Chatham Islands. The species' epithet commemorates New Zealand ornithologist Mike Imber (1940–2011). The first remains of Imber's petrel were collected in 1947 but it was not until 1967 when British ornithologist William Richard Postle Bourne considered it as undescribed and extinct species which is distinctive from other gadfly petrels bred on the Chatham Islands. Imber's petrel became apparently extinct as late as the 19th century when the first Europeans colonized the Chatham Islands and their cats preyed on the breeding seabirds.

References Tennyson, Alan J. D., Cooper, Joanne H. and Shepherd, L. D. (2015). A new species of Pterodroma petrel (Procellariiformes: Procellariidae) from the Chatham Islands, New Zealand. Bull BOC 135(3): 267–277. Bourne, W. R. P. (1967). Subfossil petrel bones from the Chatham Islands. Ibis 109(1): 1–7. Holdaway, Richard N., Worthy, Trevor H. and Tennyson, Alan J. D. (2001). A working list of breeding bird species of the New Zealand region at first human contact. New Zealand Journal of Zoology 28: 119–187. Millener, P. R. (1996). Extinct birds, pp. 113–120. In: Anonymous (ed.) The Chatham Islands: heritage and conservation. Christchurch, Canterbury University Press and New Zealand Department of Conservation. 136 pp. Tennyson, A. J. D. and Millener, P. R. (1994). Bird extinctions and fossil bones from Mangere Island, Chatham Islands. Notornis (supplement) 41: 165–178. Turbott, E. G. (Convener). (1990). Checklist of the birds of New Zealand and the Ross Dependency, Antarctica, 3rd. ed. Auckland, Random Century and the Ornithological Society of New Zealand. 247 pp.

Worked examples

Example 1 — a first encounter with Imber's petrel

Start with the simplest possible case. Write down what Imber's petrel 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 Imber's petrel 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 Imber's petrel 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 Imber's petrel

In research: Imber's petrel 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 Imber's petrel 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: Imber's petrel is common in secondary-school and first-year university syllabi. It links to neighbouring topics Bird extinctions since 1500, Birds described in 2015, Extinct birds of the Chatham Islands, so understanding it makes those chapters shorter.
In everyday life: Look for Imber's petrel 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 Imber's petrel in 20 minutes

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

Frequently asked questions

What is Imber's petrel in simple terms?

Imber's petrel (Pterodroma imberi) is an extinct seabird of gadfly petrel from the Chatham Islands. The species' epithet commemorates New Zealand ornithologist Mike Imber (1940–2011).

Why does Imber's petrel 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 Imber's petrel?

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 Imber's petrel.