biology

North Island piopio

North Island piopio 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 North Island piopio rather than just read about it. In short: The North Island piopio (Turnagra tanagra) is an extinct species of passerine bird of the family Oriolidae. Taxonomy and systematics For many years, the North Island piopio was considered to be conspecific with the South Island piopio, but the two are now regarded as two separate species due to their pronounced differences in external appearance and osteology (Olson et al., 1983).

Key takeaways

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

Reference excerpt

The North Island piopio (Turnagra tanagra) is an extinct species of passerine bird of the family Oriolidae.

Taxonomy and systematics For many years, the North Island piopio was considered to be conspecific with the South Island piopio, but the two are now regarded as two separate species due to their pronounced differences in external appearance and osteology (Olson et al., 1983). An alternate name for the North Island piopio is the North Island thrush.

Status The North Island piopio was endemic to the North Island of New Zealand and was described by Walter Buller as being common in 1873, although only a few specimens were ever collected, and it declined rapidly after that time (Buller, 1888). The last specimens were collected in 1900, or more probably in 1885/1886 (Medway, 1968), and by the 1960s only around 27 specimens remained in museums worldwide. Occasional sight records of people claiming to have seen the bird (e.g. Sopp, 1957) persisted until 1970 (Bell & Singleton, 1974; Olsen 1993), but the North Island piopio is now considered extinct. Its last stronghold appears to have been the area that later became the Whanganui National Park, possibly extending north-east to the Hauhungaroa Range west of Lake Taupō. The introduction of foreign predatory mammals such as cats and rats to New Zealand's North Island is mostly to blame for the North Island piopio's extinction, with habitat loss and predation by mustelids also being significant from the 1880s onward.

References Bell, R. & Singleton, L. (1974): A sighting of the Piopio or Native Thrush. Notornis 21(3): 268–269. PDF fulltext Buller, Walter L. (1873): A history of the birds of New Zealand (1st edition). van Woorst, London Buller, Walter L. (1888): A history of the birds of New Zealand (2nd edition) 2. Published by the author, London. Medway, David G. (1968): Records of the Huia, North Island Thrush and North Island Kokako from the diaries of Joseph Robert Annabell (1857–1924) Notornis 15(3): 177–192. PDF fulltext Olsen, Malcolm (1993): North Island Piopio – a possible 1930s record. Notornis 40(1): 26. PDF fulltext Olson, Storrs L.; Parkes, K. C.; Clench, M. H. & Borecky, S. R. (1983): The affinities of the New Zealand passerine genus Turnagra. Notornis 30(4): 319–336. PDF fulltext Schlegel, Hermann (1866): [Description of Turnagra tanagra]. Nederlandsch Tijdschrift voor de Dierkunde 3: 190. Sopp, G. E. (1957): North Island Native Thrush or Pio-Pio (Turnagra capensis tanagra). Notornis 7(4): 101–102. PDF fulltext

Footnotes

External links North Island Piopio. Turnagra tanagra. Archived 17 October 2012 at the Wayback Machine by Paul Martinson. Artwork produced for the book Extinct Birds of New Zealand, by Alan Tennyson, Te Papa Press, Wellington, 2006

Illustrations

Worked examples

Example 1 — a first encounter with North Island piopio

Start with the simplest possible case. Write down what North Island piopio 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 North Island piopio 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 North Island piopio 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 North Island piopio

In research: North Island piopio 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 North Island piopio 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: North Island piopio is common in secondary-school and first-year university syllabi. It links to neighbouring topics Bird extinctions since 1500, Birds described in 1866, Birds of the North Island, so understanding it makes those chapters shorter.
In everyday life: Look for North Island piopio 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 “North Island piopio” →

Affiliate

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

How to study North Island piopio in 20 minutes

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

Frequently asked questions

What is North Island piopio in simple terms?

The North Island piopio (Turnagra tanagra) is an extinct species of passerine bird of the family Oriolidae. Taxonomy and systematics For many years, the North Island piopio was considered to be conspecific with the South Island piopio, but the two are now regarded as two separate species due to the…

Why does North Island piopio 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 North Island piopio?

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 North Island piopio.