science

Pfeilstorch

Pfeilstorch 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 Pfeilstorch rather than just read about it. In short: A Pfeilstorch (German for 'arrow stork', pronounced [ˈpfaɪ̯l.ˌʃtɔɐ̯ç]; plural Pfeilstörche, [-ˌʃtœɐ̯.çə]) is a white stork that is injured by an arrow or spear while wintering in Africa and returns to Europe with the projectile stuck in its body. As of 2003, about 25 Pfeilstörche have been documented in Germany.

Key takeaways

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

Reference excerpt

A Pfeilstorch (German for 'arrow stork', pronounced [ˈpfaɪ̯l.ˌʃtɔɐ̯ç]; plural Pfeilstörche, [-ˌʃtœɐ̯.çə]) is a white stork that is injured by an arrow or spear while wintering in Africa and returns to Europe with the projectile stuck in its body. As of 2003, about 25 Pfeilstörche have been documented in Germany. Pfeilstörche were crucial in understanding the migration of European birds. The first and most famous Pfeilstorch was a white stork found in 1822 near the German village of Klütz, at the time in the Grand Duchy of Mecklenburg-Schwerin (nowadays in the state of Mecklenburg-Vorpommern). It was carrying a 75-centimetre (30 in) spear from central Africa in its neck. The specimen was subsequently stuffed and can be seen today in the zoological collection of the University of Rostock. It is therefore referred to as the Rostocker Pfeilstorch. Before migration was understood, people struggled to explain the sudden annual disappearance of birds such as the white stork and barn swallow. Besides migration, some theories of the time held that they turned into other kinds of birds, mice, or hibernated underwater during the winter, and such theories were even propagated by zoologists of the time. The Rostocker Pfeilstorch in particular proved that birds migrate long distances to wintering grounds. Ernst Schüz documented a number of birds with arrows stuck in them: a white-bellied stork collected in Tanganyika, a short-toed eagle in Hungary, a honey buzzard in Finland, and a black kite. He also reported swans and eiders with Inuit arrows. He noted in 1969 that sightings of birds with embedded arrows had declined because of the "unfortunate" replacement of bows and arrows with firearms.

References

Further reading Hagen, H. (1975). "Beobachtung eines Pfeilstorches in Ost-Afrika" [White Stork (Ciconia ciconia) with arrow protruding from its body seen in East Africa]. Ornithologische Mitteilungen (in German). 27 (5): 111–112.

Illustrations

Worked examples

Example 1 — a first encounter with Pfeilstorch

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

In research: Pfeilstorch 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 Pfeilstorch 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: Pfeilstorch is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1822 in science, Archery in Africa, Bird migration, so understanding it makes those chapters shorter.
In everyday life: Look for Pfeilstorch 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 Pfeilstorch in 20 minutes

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

Frequently asked questions

What is Pfeilstorch in simple terms?

Why does Pfeilstorch 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 Pfeilstorch?

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 Pfeilstorch.