science

Hieraves

Hieraves 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 Hieraves rather than just read about it. In short: Hieraves is a clade of telluravian birds named by Wu et al. (2024) that includes the orders Strigiformes (owls) and Accipitriformes (hawks and their relatives).

Key takeaways

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

Reference excerpt

Hieraves is a clade of telluravian birds named by Wu et al. (2024) that includes the orders Strigiformes (owls) and Accipitriformes (hawks and their relatives). The Cathartidae (New World vultures) are usually included in Accipitriformes, but some authors treat them as a third order Cathartiformes in the Hieraves. In the past, either owls, New World vultures, and hawks were found to be basal outgroups with respect to Coraciimorphae inside Afroaves, or Accipitriformes and Cathartiformes were recovered as a basal clade in respect to the rest of the members of Telluraves. Houde et al. (2019) found support for Hieraves (then unnamed), but they were found to be the sister group to Coraciimorphae and Australaves. The analysis of Wu et al. (2024) has found Hieraves to be the sister clade to Australaves. Stiller et al. (2024) found Hieraves to be basal to Afroaves.

References

Illustrations

Worked examples

Example 1 — a first encounter with Hieraves

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

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

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

Frequently asked questions

What is Hieraves in simple terms?

Hieraves is a clade of telluravian birds named by Wu et al. (2024) that includes the orders Strigiformes (owls) and Accipitriformes (hawks and their relatives).

Why does Hieraves 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 Hieraves?

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 Hieraves.