biology

Lesson's saddle-back tamarin

Lesson's saddle-back tamarin 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 Lesson's saddle-back tamarin rather than just read about it. In short: Lesson's saddle-back tamarin (Leontocebus fuscus) is a species of saddle-back tamarin, a type of small monkey from South America. Lesson's saddle-back tamarin was formerly considered to be a subspecies of the brown-mantled tamarin, L. fuscicollis.

Key takeaways

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

Reference excerpt

Lesson's saddle-back tamarin (Leontocebus fuscus) is a species of saddle-back tamarin, a type of small monkey from South America. Lesson's saddle-back tamarin was formerly considered to be a subspecies of the brown-mantled tamarin, L. fuscicollis. Genetic analysis showed it to be more closely related to the black-mantled tamarin than to the brown-mantled tamarin. Its type locality is in Colombia, in Plaines de Mocoa, Putumayo, between the Rio Putumayo and Rio Caqueta. It also lives in Brazil. Lesson's saddle-back tamarin has a head and body length of between 212 millimetres (8.3 in) and 234 millimetres (9.2 in). Males have tails between 296 millimetres (11.7 in) and 383 millimetres (15.1 in) long, and females have tales between 337 millimetres (13.3 in) and 362 millimetres (14.3 in) long. It weighs between 350 grams (12 oz) and 400 grams (14 oz). It sometimes associates with Goeldi's marmoset. The IUCN rates it as least concern from a conservation standpoint.

References

Illustrations

Worked examples

Example 1 — a first encounter with Lesson's saddle-back tamarin

Start with the simplest possible case. Write down what Lesson's saddle-back tamarin 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 Lesson's saddle-back tamarin 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 Lesson's saddle-back tamarin 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 Lesson's saddle-back tamarin

In research: Lesson's saddle-back tamarin 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 Lesson's saddle-back tamarin 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: Lesson's saddle-back tamarin is common in secondary-school and first-year university syllabi. It links to neighbouring topics Arboreal mammals, IUCN Red List least concern species, Leontocebus, so understanding it makes those chapters shorter.
In everyday life: Look for Lesson's saddle-back tamarin 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 Lesson's saddle-back tamarin in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Lesson's saddle-back tamarin 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 Lesson's saddle-back tamarin out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Lesson's saddle-back tamarin in simple terms?

Why does Lesson's saddle-back tamarin 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 Lesson's saddle-back tamarin?

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 Lesson's saddle-back tamarin.