biology

Kāmaʻo

Kāmaʻo 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 Kāmaʻo rather than just read about it. In short: The kāmaʻo or large Kauaʻi thrush (Myadestes myadestinus) is an extinct species of small, dark solitaire that was endemic to Kauaʻi in the Hawaiian Islands. Characteristics The adult bird grew up to 8 inches (20 cm) in length.

Key takeaways

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

Reference excerpt

The kāmaʻo or large Kauaʻi thrush (Myadestes myadestinus) is an extinct species of small, dark solitaire that was endemic to Kauaʻi in the Hawaiian Islands.

Characteristics The adult bird grew up to 8 inches (20 cm) in length. The male and female of the species looked similar. It was dark brown above and gray below, with black legs. It was closely related to the other species of Hawaiian thrushes, the Puaiohi (M. palmeri), the ʻŌmaʻo (M. obscurus) and the likely-extinct olomaʻo (M. lanaiensis). Its song was a complex melody composed of flute-like notes, liquid warbles, buzzy trills, and gurgling whistles. The call was a raspy "braak," with an alternate high pitched note similar to a police whistle. The bird occurred in the understory of densely vegetated gulches, where it often perched motionlessly in a hunched posture. Like other native Hawaiian thrushes, it often quivered its wings and fed primarily on fruit and insects. There was no segregation on the thrushes that existed either on Molokai or Lanai, which were given the name Olomao. In addition, there was no confirmation of any thrush sighting on Maui. On Kauai, there were more than one thrush species that were documented and accounted for. With a fighter-jet-like flying maneuver, the thrush used to fly vertically while singing melodies and then flying down into the lower lush canopy. While not confirmed, but it was never seen flying below 3,500 feet in Kauai. Even though the bird was a frequent resident, the last documented sighting was in 1989, but it was not documented in a 2000 bird survey.

Extinction In the late 1800s, it was considered the most common bird on Kauaʻi, occurring throughout all areas of the island, but land clearing and avian malaria brought on by introduced mosquitoes decimated the birds. Introduced animals such as feral pigs (which create pools for their wallows, in which mosquitoes can breed) and rats (which feed on eggs and unfledged birds) also contributed to the bird's demise. Competition from introduced bird species may also have led to further declines. The kāmaʻo is classified as extinct. The last probable sighting occurred in 1989 in the Alakaʻi Wilderness Preserve, its last stronghold. On September 29, 2021, the U.S. Fish and Wildlife Service declared the large Kauaʻi thrush extinct. The species was delisted from the Endangered Species Act on October 16, 2023.

References

External links BirdLife Species Factsheet 3D view of specimens RMNH 110.024 and RMNH 110.025 at Naturalis, Leiden (requires QuickTime browser plugin). "Kāmaʻo or Large Kauaʻi Thrush" (PDF). Hawaii's Comprehensive Wildlife Conservation Strategy. State of Hawaiʻi. October 1, 2005. http://www.hdouglaspratt.com/journal_articles/1982_pratt_myadestes.pdf https://dlnr.hawaii.gov/wildlife/files/2019/03/SWAP-2015-Kamao-Final.pdf

Illustrations

Worked examples

Example 1 — a first encounter with Kāmaʻo

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

In research: Kāmaʻo 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 Kāmaʻo 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: Kāmaʻo is common in secondary-school and first-year university syllabi. It links to neighbouring topics Biota of Kauai, Bird extinctions since 1500, Birds described in 1887, so understanding it makes those chapters shorter.
In everyday life: Look for Kāmaʻo 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 Kāmaʻo in 20 minutes

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

Frequently asked questions

What is Kāmaʻo in simple terms?

The kāmaʻo or large Kauaʻi thrush (Myadestes myadestinus) is an extinct species of small, dark solitaire that was endemic to Kauaʻi in the Hawaiian Islands. Characteristics The adult bird grew up to 8 inches (20 cm) in length.

Why does Kāmaʻo 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 Kāmaʻo?

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 Kāmaʻo.