science

Southern red-billed hornbill

Southern red-billed hornbill 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 Southern red-billed hornbill rather than just read about it. In short: The southern red-billed hornbill (Tockus rufirostris) is a species of hornbill in the family Bucerotidae, which is native to the savannas and dryer bushlands of southern Africa. It is replaced by a near-relative, the Damara red-billed hornbill, in the arid woodlands of western Namibia.

Key takeaways

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

Reference excerpt

The southern red-billed hornbill (Tockus rufirostris) is a species of hornbill in the family Bucerotidae, which is native to the savannas and dryer bushlands of southern Africa. It is replaced by a near-relative, the Damara red-billed hornbill, in the arid woodlands of western Namibia. All five red-billed hornbills were formerly considered conspecific.

Subspecies It is usually treated as a monotypic taxon, but two additional subspecies have been proposed:

Tockus rufirostris rufirostris Sundevall, 1850 — bushveld regions of Transvaal, southern Botswana and southern Zimbabwe Tockus rufirostris degens Clancey, 1964 — eastern lowveld Tockus rufirostris ngamiensis Roberts, 1932 — northern Namibia to northern Zimbabwe T. r. degens is the smallest in size, while T. r. ngamiensis has browner plumage and a more distinct tail bar. The differences are clinal.

Description

The sexes are similar, but males are larger and heavier. Males also have somewhat longer bills, with the lower mandible coloured black to a variable extent. It is distinguishable from other red-billed hornbills by the combination of yellow iris and pale orbital skin (pink to greyish), and the ample blackish plumage streaking from the ear coverts to the side of the neck. The throat is white, and the wing coverts clearly spotted.

Habits The call consists of an accelerating series notes, kuk kuk kuk ... which ends in a crescendo of double notes, kuk-we kuk-we. Unlike other red-billed hornbills, Southern red-billed hornbills do not raise their wings in display.

Range It is found from Malawi and Zambia to southern Angola, northeastern Namibia, Botswana, Zimbabwe, eastern Eswatini and northern South Africa (Transvaal and northern KZN province). It occurs in the upper Zambezi valley of Mozambique, but is mostly absent from the eastern lowlands.

Gallery

References

Kemp, A.C. and W. Delport. 2002. Comments on the status of subspecies in the red-billed hornbill (Tockus erythrorhynchus) complex (Aves: Bucerotidae), with the description of a new taxon endemic to Tanzania. Annals of the Transvaal Museum 39: 1–8. Delport, W., A.C. Kemp, and J.W.H. Ferguson. 2004. Structure of an African Red-billed Hornbill (Tockus erythrorhynchus rufirostris and T. e. damarensis) hybrid zone as revealed by morphology, behavior, and breeding biology. Auk 121: 565–586.

Illustrations

Worked examples

Example 1 — a first encounter with Southern red-billed hornbill

Start with the simplest possible case. Write down what Southern red-billed hornbill 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 Southern red-billed hornbill 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 Southern red-billed hornbill 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 Southern red-billed hornbill

In research: Southern red-billed hornbill 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 Southern red-billed hornbill 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: Southern red-billed hornbill is common in secondary-school and first-year university syllabi. It links to neighbouring topics Birds described in 1888, Birds of Southern Africa, Coraciiformes stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Southern red-billed hornbill 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 Southern red-billed hornbill in 20 minutes

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

Frequently asked questions

What is Southern red-billed hornbill in simple terms?

Why does Southern red-billed hornbill 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 Southern red-billed hornbill?

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 Southern red-billed hornbill.