biology

Spizella

Spizella 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 Spizella rather than just read about it. In short: The genus Spizella is a group of American sparrows in the family Passerellidae. These birds are fairly small and slim, with short bills, round heads and long wings.

Key takeaways

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

Reference excerpt

The genus Spizella is a group of American sparrows in the family Passerellidae. These birds are fairly small and slim, with short bills, round heads and long wings. They are usually found in semi-open areas, and outside of the nesting season they often forage in small mixed flocks.

Systematics This genus was formerly placed with the Old World buntings in the family Emberizidae. However, genetic studies revealed that New World sparrows formed a distinct clade and thus it was placed in the resurrected family Passerellidae.

Species Chipping sparrow, Spizella passerina Clay-colored sparrow, Spizella pallida Brewer's sparrow, Spizella breweri Timberline sparrow, Spizella breweri taverneri Field sparrow, Spizella pusilla Worthen's sparrow, Spizella wortheni Black-chinned sparrow, Spizella atrogularis The American tree sparrow, Spizelloides arborea, was formerly a member of this group, but is now placed in its own monotypic genus Spizelloides.

References

Illustrations

Worked examples

Example 1 — a first encounter with Spizella

Start with the simplest possible case. Write down what Spizella 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 Spizella 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 Spizella 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 Spizella

In research: Spizella 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 Spizella 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: Spizella is common in secondary-school and first-year university syllabi. It links to neighbouring topics American sparrows, Bird genera, Spizella, so understanding it makes those chapters shorter.
In everyday life: Look for Spizella 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 Spizella in 20 minutes

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

Frequently asked questions

What is Spizella in simple terms?

The genus Spizella is a group of American sparrows in the family Passerellidae. These birds are fairly small and slim, with short bills, round heads and long wings.

Why does Spizella 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 Spizella?

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 Spizella.