Ask Difference

Rat vs. Possum — What's the Difference?

Edited by Tayyaba Rehman — By Fiza Rafique — Updated on September 25, 2023
A rat is a small rodent known for its long tail and sharp teeth. A possum is a marsupial mammal with a prehensile tail, found in North America and Australia.
Rat vs. Possum — What's the Difference?

Difference Between Rat and Possum

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Key Differences

Rats typically have fur, pointed snouts, and tails, and they belong to the rodent family. Possums are furry marsupials with distinctive long, furry tails and round faces.
Rats are found worldwide, often in urban areas, and can be considered pests. Possums are native to specific regions, such as North America and Australia, and live in various environments.
Rats are known for their gnawing habits and are often associated with scavenging. Possums are arboreal and nocturnal, spending time in trees and foraging for food.

Comparison Chart

Meaning

Small rodent with a tail
Marsupial mammal with a tail

Appearance

Fur, pointed snout, tail
Furry, round face, long tail
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Habitat

Worldwide, including urban areas
Native to specific regions

Behavior

Gnawing, scavenging
Arboreal, nocturnal, foraging

Ecological Role

Negative impacts, disease carriers
Pollination, seed dispersal

Compare with Definitions

Rat

A small rodent with a pointed snout and a long tail.
Rats are known for their ability to adapt to various environments.

Possum

A marsupial with a pouch for carrying and nurturing young.
The female possum protects her joeys in her pouch.

Rat

A common pest often found in urban areas.
Exterminators were called to control the rat infestation.

Possum

A nocturnal animal that forages for food at night.
Possums are often heard rustling in the trees during the night.

Rat

Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus Rattus.

Possum

A marsupial mammal with a prehensile tail.
The opossum is a common species of possum found in North America.

Rat

A rodent that resembles a large mouse, typically having a pointed snout and a long tail. Some kinds have become cosmopolitan and are sometimes responsible for transmitting diseases.

Possum

A furry creature known for its tree-dwelling habits.
Possums are skilled climbers and spend much of their time in trees.

Rat

A despicable person, especially a man who has been deceitful or disloyal
Her rat of a husband cheated on her

Possum

A marsupial that plays a role in the ecosystem through pollination and seed dispersal.
Possums contribute to the health of their environment by spreading seeds.

Rat

A person who is associated with or frequents a specified place
LA mall rats

Possum

A tree-dwelling Australasian marsupial that typically has a prehensile tail.

Rat

A pad used to give shape and fullness to a woman's hair.

Possum

Chiefly Southern US An opossum. See Note at tater.

Rat

Used to express mild annoyance or irritation.

Possum

Any of several nocturnal arboreal marsupials of the suborder Phalangeriformes, native to Australia and adjacent islands and introduced elsewhere.

Rat

Hunt or kill rats
Ratting is second nature to a Jack Russell

Possum

(US) An opossum, a marsupial of the family Didelphidae of the Americas.

Rat

Desert one's party, side, or cause
Many of the clans rallied to his support, others ratted and joined the King's forces

Possum

Any of the marsupials in several families of the order Diprotodontia of Australia and neighboring islands.

Rat

Shape (hair) with a rat.

Possum

(intransitive) To play possum; to feign sleep, illness, or death.

Rat

Any of various long-tailed rodents resembling mice but larger, especially one of the genus Rattus.

Possum

An opossum.

Rat

Any of various animals similar to one of these long-tailed rodents.

Possum

Nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America

Rat

A despicable person, especially one who betrays or informs upon associates.

Possum

Small furry Australian arboreal marsupials having long usually prehensile tails

Rat

A scab laborer.

Rat

A pad of material, typically hair, worn as part of a woman's coiffure to puff out her own hair.

Rat

(Slang) A person who frequently passes time at a particular place. Often used in combination
A rink rat.

Rat

To hunt for or catch rats, especially with the aid of dogs.

Rat

(Slang) To reveal incriminating or embarrassing information about someone, especially to a person in authority
Ratted on his best friend to the police.

Rat

(Slang) To work as a scab laborer.

Rat

To puff out (the hair) with or as if with a pad of material.

Rat

(zoology) A medium-sized rodent belonging to the genus Rattus.

Rat

(informal) Any of the numerous members of several rodent families (e.g. voles and mice) that resemble true rats in appearance, usually having a pointy snout, a long, bare tail, and body length greater than about 12 cm, or 5 inches.

Rat

(informal) A person who is known for betrayal; a scoundrel; a quisling.
Rat bastard
What a rat, leaving us stranded here!

Rat

(informal) An informant or snitch.

Rat

(informal) A scab: a worker who acts against trade union policies.

Rat

(slang) A person who routinely spends time at a particular location.
Our teenager has become a mall rat.
He loved hockey and was a devoted rink rat.

Rat

A wad of shed hair used as part of a hairstyle.

Rat

A roll of material used to puff out the hair, which is turned over it.

Rat

Vagina.
Get your rat out.

Rat

(regional) A scratch or a score.

Rat

A place in the sea with rapid currents and crags where a ship is likely to be torn apart in stormy weather.

Rat

(usually with “on” or “out”) To betray a person or party, especially by telling their secret to an authority or an enemy; to turn someone in.
He ratted on his coworker.
He is going to rat us out!

Rat

To work as a scab, going against trade union policies.

Rat

(of a dog, etc.) To kill rats.

Rat

(regional) To scratch or score.
He ratted a vertical line on his face with a pocket knife.

Rat

To tear, rip, rend.
Ratted to shreds.

Rat

Damn, drat, blast; used in oaths.

Rat

One of several species of small rodents of the genus Rattus (formerly included in Mus) and allied genera, of the family Muridae, distinguished from mice primarily by being larger. They infest houses, stores, and ships, especially the Norway rat, also called brown rat, (Rattus norvegicus formerly Mus decumanus), the black rat (Rattus rattus formerly Mus rattus), and the roof rat (formerly Mus Alexandrinus, now included in Rattus rattus). These were introduced into America from the Old World. The white rat used most commonly in laboratories is primarily a strain derived from Rattus rattus.

Rat

A round and tapering mass of hair, or similar material, used by women to support the puffs and rolls of their natural hair.

Rat

One who deserts his party or associates; hence, in the trades, one who works for lower wages than those prescribed by a trades union.

Rat

In English politics, to desert one's party from interested motives; to forsake one's associates for one's own advantage; in the trades, to work for less wages, or on other conditions, than those established by a trades union.
Coleridge . . . incurred the reproach of having ratted, solely by his inability to follow the friends of his early days.

Rat

To catch or kill rats.

Rat

To be an informer (against an associate); to inform (on an associate); to squeal; - used commonly in the phrase to rat on.

Rat

Any of various long-tailed rodents similar to but larger than a mouse

Rat

Someone who works (or provides workers) during a strike

Rat

A person who is deemed to be despicable or contemptible;
Only a rotter would do that
Kill the rat
Throw the bum out
You cowardly little pukes!
The British call a contemptible person a `git'

Rat

One who reveals confidential information in return for money

Rat

A pad (usually made of hair) worn as part of a woman's coiffure

Rat

Desert one's party or group of friends, for example, for one's personal advantage

Rat

Employ scabs or strike breakers in

Rat

Take the place of work of someone on strike

Rat

Give (hair) the appearance of being fuller by using a rat

Rat

Catch rats, especially with dogs

Rat

Give away information about somebody;
He told on his classmate who had cheated on the exam

Rat

A rodent species belonging to the Muridae family.
The brown rat is one of the most widespread rat species.

Rat

A creature known for its gnawing behavior.
Rats can cause damage by chewing on wires and structures.

Rat

A mammal that reproduces quickly and in large numbers.
The rat population in the city has been a challenge to manage.

Common Curiosities

What is a rat?

A rat is a small rodent with a pointed snout and a long tail.

Where are rats commonly found?

Rats are found worldwide and are often associated with urban areas.

Are rats considered pests?

Yes, rats are often considered pests due to their ability to damage property and transmit diseases.

What are the ecological roles of possums?

Possums play roles in pollination and seed dispersal, benefiting their ecosystems.

What is a possum?

A possum is a marsupial mammal known for its prehensile tail and furry appearance.

Are possums and opossums the same?

No, possums and opossums are different species. Opossums are found in North America, while possums are found in Australia and other regions.

What is the main difference between a rat and a possum's appearance?

Rats have a pointed snout and a long tail, while possums have round faces and long, furry tails.

Why are rats considered carriers of diseases?

Rats can carry diseases such as leptospirosis and are vectors for disease transmission.

Do rats and possums have similar ecological impacts?

No, rats can have negative impacts on ecosystems and are often considered invasive, while possums play unique roles in their environments.

How do rats and possums differ in behavior?

Rats are known for gnawing and scavenging, while possums are arboreal, nocturnal, and forage for food.

What are some physical adaptations that help possums thrive in their environments?

Possums have prehensile tails for climbing and gripping, aiding in their tree-dwelling lifestyle.

Are possums and opossums both marsupials?

Yes, both possums and opossums are marsupials, but they are distinct species found in different parts of the world.

Are rats and possums commonly found together in the same habitats?

While they can inhabit overlapping regions, they have different ecological niches, and their interactions are limited.

Are rats and possums related in terms of taxonomy?

Rats belong to the family Muridae, while possums are marsupials, belonging to different taxonomic groups.

What is the reproductive strategy of possums?

Possums are marsupials, with females carrying and nurturing their young in a pouch.

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Author Spotlight

Written by
Fiza Rafique
Fiza Rafique is a skilled content writer at AskDifference.com, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.

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