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List of procyonids

List of procyonids 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 List of procyonids rather than just read about it. In short: Procyonidae is a family of mammals in the order Carnivora, which includes raccoons, coatis, olingos, kinkajous, ring-tailed cats, and cacomistles, and many other extant and extinct mammals. A member of this family is called a procyonid.

List of procyonids — main illustration
List of procyonids — illustration

Key takeaways

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

Reference excerpt

Procyonidae is a family of mammals in the order Carnivora, which includes raccoons, coatis, olingos, kinkajous, ring-tailed cats, and cacomistles, and many other extant and extinct mammals. A member of this family is called a procyonid. They are native to North and South America, though the common raccoon has been introduced to Europe, western Asia, and Japan. Procyonid habitats are generally forests, though some are found in shrublands and grasslands as well. The ring-tailed cat has a varied range including rocky areas and deserts as well as forests, and the common raccoon is widespread in urban environments. Species range in size from around 30–65 cm (12–26 in) long, plus a tail generally as long again. Population sizes are largely unknown, though the Cozumel raccoon is critically endangered, with around 200 individuals left, and the Eastern mountain coati is endangered. No procyonid species have been domesticated, although raccoons are sometimes kept as pets. The fourteen species of Procyonidae are split into six genera, which are not currently grouped into named clades. Procyonidae is believed to have diverged as a separate family within Carnivora around 22.6 million years ago. In addition to the extant species, Procyonidae includes doxens of extinct species placed in the six extant and nineteen extinct genera, though due to ongoing research and discoveries the exact number and categorization is not fixed.

Conventions

The author citation for the species or genus is given after the scientific name; parentheses around the author citation indicate that this was not the original taxonomic placement. Conservation status codes listed follow the International Union for Conservation of Nature (IUCN) Red List of Threatened Species. Range maps are provided wherever possible; if a range map is not available, a description of the procyonid's range is provided. Ranges are based on the IUCN Red List for that species unless otherwise noted. All extinct species or subspecies listed alongside extant species went extinct after 1500 CE, and are indicated by a dagger symbol (†). Population figures are rounded to the nearest hundred.

Classification

The family Procyonidae consists of fourteen extant species belonging to six genera and divided into dozens of subspecies. This does not include hybrid species or extinct prehistoric species. Some prior classification schemes included the red panda or divided the family into named subfamilies and tribes based on similarities in morphology, though modern molecular studies indicate instead that the kinkajou is basal to the family, while raccoons, cacomistles, and ring-tailed cats form one clade and coatis and olingos another, despite morphology suggesting otherwise.

Genus Bassaricyon (olingos): four species Genus Bassariscus (ring-tailed cats and cacomistles): two species Genus Nasua (coatis): two species Genus Nasuella (mountain coatis): two species Genus Potos (kinkajous): one species Genus Procyon (raccoons): three species

Procyonids The following classification is based on the taxonomy described by Mammal Species of the World (2005), with augmentation by generally accepted proposals made since using molecular phylogenetic analysis; this includes rearranging Bassaricyon from five species to a mostly different four, and promoting the eastern mountain coati from a subspecies of the mountain coati. There are additional proposals which are disputed, such as promoting the Guadeloupe raccoon population of the Bahamian raccoon subspecies of raccoon to a separate subspecies, which are not included here.

References

Illustrations

List of procyonids: Common racoon (Procyon lotor)
Common racoon (Procyon lotor)
List of procyonids: Procyonidae distribution
Procyonidae distribution
List of procyonids illustration
List of procyonids illustration
List of procyonids illustration

Worked examples

Example 1 — a first encounter with List of procyonids

Start with the simplest possible case. Write down what List of procyonids 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 List of procyonids 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 List of procyonids 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 List of procyonids

In research
List of procyonids 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 List of procyonids 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
List of procyonids is common in secondary-school and first-year university syllabi. It links to neighbouring topics Lists of animal species, Lists of carnivorans, Procyonidae, so understanding it makes those chapters shorter.
In everyday life
Look for List of procyonids 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 List of procyonids in 20 minutes

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

Frequently asked questions

What is List of procyonids in simple terms?

Procyonidae is a family of mammals in the order Carnivora, which includes raccoons, coatis, olingos, kinkajous, ring-tailed cats, and cacomistles, and many other extant and extinct mammals. A member of this family is called a procyonid.

Why does List of procyonids 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 List of procyonids?

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 List of procyonids.

Tags

  • Lists of animal species
  • Lists of carnivorans
  • Procyonidae

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