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Perninae

Perninae 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 Perninae rather than just read about it. In short: The raptor subfamily Perninae includes a number of medium-sized broad-winged bird of prey species known as perns. These are birds of warmer climates, although the Pernis species (European honey buzzard and crested honey buzzard) have a more extensive range.

Perninae — main illustration
Perninae — illustration

Key takeaways

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

Reference excerpt

The raptor subfamily Perninae includes a number of medium-sized broad-winged bird of prey species known as perns. These are birds of warmer climates, although the Pernis species (European honey buzzard and crested honey buzzard) have a more extensive range. Several of the species in this group eat mainly insects, and the honey-buzzards are specialist feeders on wasp larvae. Reptiles are also taken by several birds in this group. Several authorities consider the vultures of Gypaetinae to be within or even synonymous with Perninae.

Taxonomy The cladogram of the Perninae shown below is based on a molecular phylogenetic study of the Accipitridae by Therese Catanach and collaborators that was published in 2024.

Genera

References

External links Data related to Perninae at Wikispecies

Illustrations

Perninae illustration
Perninae illustration
Perninae illustration
Perninae illustration
Perninae illustration

Worked examples

Example 1 — a first encounter with Perninae

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

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

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Perninae means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Perninae out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Perninae in simple terms?

The raptor subfamily Perninae includes a number of medium-sized broad-winged bird of prey species known as perns. These are birds of warmer climates, although the Pernis species (European honey buzzard and crested honey buzzard) have a more extensive range.

Why does Perninae 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 Perninae?

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 Perninae.

Tags

  • Accipitriformes stubs
  • Bird subfamilies
  • Perninae
  • Taxa named by Edward Blyth

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