biology

List of cervids

List of cervids 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 cervids rather than just read about it. In short: Cervidae is a family of hoofed ruminant mammals in the order Artiodactyla. A member of this family is called a deer or a cervid.

Key takeaways

List of cervids 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 cervids to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of List of cervids from memory before moving on to harder problems.

Reference excerpt

Cervidae is a family of hoofed ruminant mammals in the order Artiodactyla. A member of this family is called a deer or a cervid. They are widespread throughout North and South America, Europe, and Asia, and are found in a wide variety of biomes. Cervids range in size from the 60 cm (24 in) long and 32 cm (13 in) tall pudú to the 3.4 m (11.2 ft) long and 3.4 m (11.2 ft) tall moose. Most species do not have population estimates, though the roe deer has a population size of approximately 15 million, while several are considered endangered or critically endangered with populations as low as 200. One species, Père David's deer, is extinct in the wild, and one, Schomburgk's deer, went extinct in 1938. The fifty-five extant species of Cervidae are split into nineteen genera within two subfamilies: Capreolinae (New World deer) and Cervinae (Old World deer). Extinct species have also been placed into Capreolinae and Cervinae. More than one hundred extinct Cervidae species have been discovered, though due to ongoing research and discoveries the exact number and categorization is not fixed.

Conventions

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 cervid'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 "†".

Classification

The family Cervidae consists of 55 extant species belonging to 19 genera in 2 subfamilies and divided into dozens of subspecies. This does not include hybrid species or extinct prehistoric species. Additionally, one species, Schomburgk's deer, went extinct in 1938. The classification is based on the molecular phylogeny.

Cervids 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 merging the two moose species of Alces into one, splitting out the monotypic Panolia genus from Rucervus, combining the monotypic subfamily Hydropotinae with Capreolinae. There are several additional proposals which are disputed, such as addition of the fair brocket to the Mazama genus, which are not included here.

Subfamily Capreolinae

Tribe Alceini

Tribe Capreolini

Tribe Odocoileini

Subfamily Cervinae

Tribe Muntiacini

Tribe Cervini

Illustrations

Worked examples

Example 1 — a first encounter with List of cervids

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

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

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

Frequently asked questions

What is List of cervids in simple terms?

Cervidae is a family of hoofed ruminant mammals in the order Artiodactyla. A member of this family is called a deer or a cervid.

Why does List of cervids 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 cervids?

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 cervids.