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Rawnsley's bowerbird

Rawnsley's bowerbird 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 Rawnsley's bowerbird rather than just read about it. In short: Rawnsley's bowerbird, also known as Rawnsley's satin bird or the blue regent, is a rare intergeneric hybrid between satin bowerbird (Ptilonorhynchus violaceus) and regent bowerbird (Sericulus chrysocephalus). Type specimen It is based on a unique specimen collected by Henry Charles Rawnsley at Witton, in Brisbane, Queensland, Australia, on 14 July 1867.

Rawnsley's bowerbird — main illustration
Rawnsley's bowerbird — illustration

Key takeaways

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

Reference excerpt

Rawnsley's bowerbird, also known as Rawnsley's satin bird or the blue regent, is a rare intergeneric hybrid between satin bowerbird (Ptilonorhynchus violaceus) and regent bowerbird (Sericulus chrysocephalus).

Type specimen It is based on a unique specimen collected by Henry Charles Rawnsley at Witton, in Brisbane, Queensland, Australia, on 14 July 1867. It was described and illustrated (as Ptilonorhynchus rawnsleyi) in the same year by Silvester Diggles in Part 15 of his three-volume work The Ornithology of Australia. It had at various times been considered to be a valid bowerbird species, an aberrant individual of the satin bowerbird, or an adult hybrid individual resulting from the natural crossing of a regent bowerbird with a satin bowerbird. The specimen was lost prior to 1950.

Photographs A second example was not recorded until sightings and photographic evidence of another bird were obtained in November 2003 and January 2004 at Beechmont, South East Queensland, adjacent to the Lamington National Park. A further example, a mature male, was photographed in Kalang, New South Wales, in 2014, and was identified by reference to its description on Wikipedia.

Description The specimen was described as being in adult male plumage, mainly the glossy blue-black colouring of the adult male satin bowerbird, but with a conspicuous and extensive yellow wing patch, yellow tipping to some tail feathers, with a paler iris colour than the satin bowerbird, and intermediate in size between the two putative parent species.

References

Notes

Sources "Rawnsley's Bowerbird (Satin x Regent)". Blunt, Daniel; & Frith, Clifford B. Gondwana Guides. 2004. Archived from the original on 27 February 2015. Retrieved 1 November 2009. Diggles, S. (1867). The Ornithology of Australia: being illustrations of 244 Australian Birds, with descriptive letter-press. Brisbane.{{cite book}}: CS1 maint: location missing publisher (link) Frith, Clifford B. & Frith, Dawn W. (2004). The Bowerbirds. Oxford: Oxford University Press. ISBN 978-0-19-854844-7. Tom Iredale (1950). Birds of Paradise and Bowerbirds. Melbourne: Georgian House.

Illustrations

Rawnsley's bowerbird illustration

Worked examples

Example 1 — a first encounter with Rawnsley's bowerbird

Start with the simplest possible case. Write down what Rawnsley's bowerbird 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 Rawnsley's bowerbird 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 Rawnsley's bowerbird 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 Rawnsley's bowerbird

In research
Rawnsley's bowerbird 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 Rawnsley's bowerbird 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
Rawnsley's bowerbird is common in secondary-school and first-year university syllabi. It links to neighbouring topics Bird hybrids, Birds described in 1867, Birds of Queensland, so understanding it makes those chapters shorter.
In everyday life
Look for Rawnsley's bowerbird 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 Rawnsley's bowerbird in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Rawnsley's bowerbird means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Rawnsley's bowerbird out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Rawnsley's bowerbird in simple terms?

Rawnsley's bowerbird, also known as Rawnsley's satin bird or the blue regent, is a rare intergeneric hybrid between satin bowerbird (Ptilonorhynchus violaceus) and regent bowerbird (Sericulus chrysocephalus). Type specimen It is based on a unique specimen collected by Henry Charles Rawnsley at Witt…

Why does Rawnsley's bowerbird 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 Rawnsley's bowerbird?

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 Rawnsley's bowerbird.

Tags

  • Bird hybrids
  • Birds described in 1867
  • Birds of Queensland
  • Intergeneric hybrids
  • Passeri stubs
  • Ptilonorhynchidae
  • Taxa with lost type specimens

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