biology

Oʻahu ʻalauahio

Oʻahu ʻalauahio 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 Oʻahu ʻalauahio rather than just read about it. In short: The Oʻahu ʻalauahio (Paroreomyza maculata), also known as the Oʻahu creeper, is a small finch-like Hawaiian honeycreeper that is endemic to the Hawaiian island of Oahu. It is Critically endangered.

Key takeaways

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

Reference excerpt

The Oʻahu ʻalauahio (Paroreomyza maculata), also known as the Oʻahu creeper, is a small finch-like Hawaiian honeycreeper that is endemic to the Hawaiian island of Oahu. It is Critically endangered.

Description

It is a small, yellow green bird with a bluish bill. It is 4 inches (100 mm) long and is green on the back and tail. The head and underparts are yellow. The face is a brighter yellow with a dark green eyestripe. Juveniles are browner with white wingbars. It feeds on invertebrates hidden under the bark of trees, and it uses its bill to remove the bark and catch the insects using its specialized tongue.

Conservation The bird is Critically Endangered and possibly extinct due to disease (avian malaria), introduced and invasive plants and wildlife, and habitat loss. The last specimen was collected in 1968 and this is considered by some authorities to be the last reliable report. The last visual observation was of two individuals on the Poamoho Trail (near Wahiawa) in a Christmas Bird Count on 12 December 1985. Shortly after the last visual observation, a large portion of habitat in the North Halawa Valley, where most of the bird's most recent confirmed sightings were made, was destroyed for Interstate H-3, with U.S. Senator Daniel Inouye adding a rider to exempt the freeway from environmental laws such as the Endangered Species Act, which would have otherwise protected the bird's habitat but blocked highway construction. The construction is thought to have led to a very rapid decline in the bird's already-small population, which is likely why no well-supported reports have been made since 1985, although unconfirmed reports are still filed and not all potential habitat has been surveyed. Part of the doubt and uncertainty surrounding recent observations of this species is its similarity to the Oʻahu ʻamakihi (Chlorodrepanis flava), which may be the second to last remaining endemic honeycreeper of Oʻahu if the ʻalauahio is extinct (ʻapapane). The IUCN Red List estimates that less than 50, and likely only about 1–7 individuals, remain if the species is still extant.

References

External links Species factsheet - BirdLife International

Illustrations

Worked examples

Example 1 — a first encounter with Oʻahu ʻalauahio

Start with the simplest possible case. Write down what Oʻahu ʻalauahio 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 Oʻahu ʻalauahio 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 Oʻahu ʻalauahio 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 Oʻahu ʻalauahio

In research: Oʻahu ʻalauahio 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 Oʻahu ʻalauahio 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: Oʻahu ʻalauahio is common in secondary-school and first-year university syllabi. It links to neighbouring topics Biota of Oahu, Critically endangered fauna of Hawaii, ESA endangered species, so understanding it makes those chapters shorter.
In everyday life: Look for Oʻahu ʻalauahio 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 “Oʻahu ʻalauahio” →

Affiliate

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

How to study Oʻahu ʻalauahio in 20 minutes

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

Frequently asked questions

What is Oʻahu ʻalauahio in simple terms?

Why does Oʻahu ʻalauahio 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 Oʻahu ʻalauahio?

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 Oʻahu ʻalauahio.