science

Gypaetinae

Gypaetinae 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 Gypaetinae rather than just read about it. In short: The Gypaetinae is one of two subfamilies of Old World vultures the other being the Aegypiinae. This subfamily is considered a sister group to Perninae.

Key takeaways

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

Reference excerpt

The Gypaetinae is one of two subfamilies of Old World vultures the other being the Aegypiinae. This subfamily is considered a sister group to Perninae. They are presently found throughout much of Africa, Asia, and southern Europe, hence being considered "Old World" vultures, but as recently as the Late Pleistocene, they were also present in North America.

Species

Extant genera

Fossil genera Genera known only from fossils include:

Taxonomy and systematics The three members of Gypaetinae, together with four other genera, are collectively basal to the Perninae sensu stricto (Aviceda clade plus Pernis clade). Those four are: Polyboroides typus (African harrier hawk), Eutriorchis astur (Madagascar serpent eagle), Chondrohierax and Leptodon . The new-world genera Chondrohierax (hook-billed kite and Cuban kite) and Leptodon (gray-headed kite and white-collared kite) likely form a clade within the larger group. The placement of Polyboroides and Eutriorchis has been problematic. Within the Accipitridae, the Elaninae diverged earliest, then this clade – consisting of Polyboroides, Gypaetinae, Eutriorchis, Chondrohierax, Leptodon, and Perninae – is sister to the remaining accipitrids.

References

Other sources Ferguson-Lees, James; Christie, David A. (2001). Raptors of the World. Illustrated by Kim Franklin, David Mead, and Philip Burton. Houghton Mifflin. ISBN 978-0-618-12762-7. Retrieved 2011-05-26. Grimmett, Richard; Inskipp, Carol; Inskipp, Tim (1999). Birds of India, Pakistan, Nepal, Bangladesh, Bhutan, Sri Lanka, and the Maldives. Illustrated by Clive Byers et al. Princeton University Press. ISBN 978-0-691-04910-6. OCLC 43578307. Lerner, Heather R. L.; Mindell, David P. (November 2005). "Phylogeny of eagles, Old World vultures, and other Accipitridae based on nuclear and mitochondrial DNA" (PDF). Molecular Phylogenetics and Evolution. 37 (2): 327–346. Bibcode:2005MolPE..37..327L. doi:10.1016/j.ympev.2005.04.010. ISSN 1055-7903. PMID 15925523. Archived from the original (PDF) on 6 June 2011. Retrieved 31 May 2011.

Illustrations

Worked examples

Example 1 — a first encounter with Gypaetinae

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

In research: Gypaetinae 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 Gypaetinae 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: Gypaetinae is common in secondary-school and first-year university syllabi. It links to neighbouring topics Accipitridae, Birds of prey, Old World vultures, so understanding it makes those chapters shorter.
In everyday life: Look for Gypaetinae 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 Gypaetinae in 20 minutes

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

Frequently asked questions

What is Gypaetinae in simple terms?

The Gypaetinae is one of two subfamilies of Old World vultures the other being the Aegypiinae. This subfamily is considered a sister group to Perninae.

Why does Gypaetinae 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 Gypaetinae?

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 Gypaetinae.