biology

Storm petrel

Storm petrel 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 Storm petrel rather than just read about it. In short: Storm petrel or stormy petrel may refer to one of two seabird families in the order Procellariiformes, which were historically treated as one family. Before the introduction of molecular phylogenetics, the traditional arrangement was to divide the Procellariiformes into a set of four families: Diomedeidae containing the albatrosses, Hydrobatidae containing all the storm petrels, Pelecanoididae containing the diving…

Key takeaways

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

Reference excerpt

Storm petrel or stormy petrel may refer to one of two seabird families in the order Procellariiformes, which were historically treated as one family. Before the introduction of molecular phylogenetics, the traditional arrangement was to divide the Procellariiformes into a set of four families: Diomedeidae containing the albatrosses, Hydrobatidae containing all the storm petrels, Pelecanoididae containing the diving petrels and Procellariidae containing the petrels, shearwaters and fulmars. The family Hydrobatidae was further divided into two subfamilies, the northern storm petrels in Hydrobatinae and the southern or austral storm petrels in Oceanitinae. A 1998 analysis of mitochondrial cytochrome b sequences found there was deep genetic divergence between the two subfamilies. Subsequent large-scale multigene studies found that the two subfamilies were not sister taxa. The storm petrels were therefore split into two families: Hydrobatidae containing the northern storm petrels and Oceanitidae, containing the southern storm petrels. The species within the two families are:

Northern storm petrels (Hydrobatidae) are found in the Northern Hemisphere, although some species around the Equator dip into the south.

Southern storm petrels (Oceanitidae) are found in all oceans, although only white-faced storm petrel (breeding in the North Atlantic, in addition to the Southern Ocean) and Wilson's storm petrels (on migration) are found in the Northern Hemisphere.

References

Illustrations

Worked examples

Example 1 — a first encounter with Storm petrel

Start with the simplest possible case. Write down what Storm petrel 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 Storm petrel 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 Storm petrel 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 Storm petrel

In research: Storm petrel 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 Storm petrel 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: Storm petrel is common in secondary-school and first-year university syllabi. It links to neighbouring topics Bird common names, Procellariiformes stubs, Seabirds, so understanding it makes those chapters shorter.
In everyday life: Look for Storm petrel 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Storm petrel in 20 minutes

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

Frequently asked questions

What is Storm petrel in simple terms?

Why does Storm petrel 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 Storm petrel?

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 Storm petrel.