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Rodents Trivia Questions and Answers

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1. In which continents does the common red squirrel (Sciurus vulgaris) mostly live?


Answer: Europe and Asia

Interesting Information:
The common red squirrel is alternately known as the Eurasian red squirrel, which would give away the answer to this question. It lives in most of Europe and Russia, as well as in Honshu (the northern main island of Japan), the northern parts of China and Mongolia, a small part of the Caucasus mountains, and some parts of Kazakhstan and Kyrgyzstan. There is also an American red squirrel, but that is a different species (Tamiasciurus hudsonicus, living all over Canada and most of the northern states of the USA).

North and Central America are home to four species of the grey squirrel. South America is home to the neotropical pygmy squirrel (Sciurillus pusillus) and others. Africa has given its name to the African ground squirrels (genus Xerus). There are no squirrels native to Oceania nor to Antarctica.
Difficulty: Hard.

From Quiz: Red Squirrels
 
Some incorrect choices:
North- and Central America, South America and Africa, Oceania and Antarctica

2. Rodents are a widely diverse order of mammals, containing approximately what percentage of all mammal species?


Answer: forty percent

Interesting Information:
Close to half of all species of mammals are rodents. Rodents are native to all continents except Antarctica, and are found in every area where humans live. They live in pretty much every habitat; trees, ground nests, underground burrows, and semi aquatic environs. Commonly known rodents include mice, rats, squirrels, beavers, gophers, groundhogs, porcupines, hamsters and guinea pigs.
Difficulty: Hard.

From Quiz: Rodents: From Busy Beavers to Suicidal Lemmings
 
Some incorrect choices:
fifteen percent, five percent, ninety percent

3. Rats are susceptible to a humans trait found more commonly among teenagers, that could lead to undesirable actions or behaviour. What could it be?


Answer: Peer pressure

Interesting Information:
It has been found that when a rat is introduced to a new group it will eat food that it has found unpalatable before purely because the rats in the new group eat it. This is an example of peer pressure - you're doing it, so I'll join in. Difficulty: Hard.

From Quiz: Mr.Radt's Amazing Fun Facts on Rats
 
Some incorrect choices:
Swinging emotions, Acne, Rebelliousness

4. Eastern chipmunks are classified in the genus Tamias, and it's fitting because of their busy, careful habits with nuts and seeds. What does Tamias mean in Greek?


Answer: a steward, housekeeper, or someone trusted with valuables

Interesting Information:
Chipmunks take preparing for winter seriously. They gather a supply of seeds, grains or nuts, and stash it near where they plan to spend the winter so it's easily accessible. What they don't eat can sprout the next spring, and if it grows, the chipmunk has also done its part for seed dispersal for the plant. Difficulty: Easy.

From Quiz: Chipmunks! The Real Ones, That Don't Need to Sing
 
Some incorrect choices:
wasteful, careless, spendthrift, stingy, miserly, boring, musical, always singing, tuneful

5. The yellow-bellied marmot is sometimes referred to as a rock chuck. It is also sometimes called a whistle pig for what reason?


Answer: Because it whistles to warn others about predators.

Interesting Information:
Some of the yellow-bellied marmot's predators are wolves and eagles. When one marmot spies a predator it instinctively whistles to warn other marmots. They then dig a hole in the ground and hide, or hide behind rocks or other places. Difficulty: Average.

From Quiz: He Was So Yellow-Bellied
 
Some incorrect choices:
Because it whistles when it mates., Because it whistles when it dies., No one really knows as it never whistles.

6. There's a chipmunk who lives in my yard. If you live in the United States, and east of the Mississippi River, which type of chipmunk are you most likely to encounter?


Answer: Eastern chipmunk

Interesting Information:
According to most sources, there are 25 species of chipmunks; all but one, the Siberian chipmunk, are native to North America. The eastern chipmunk has a wide range, covering most of the eastern United States and southeastern Canada. If you live in the Great Plains, Rocky Mountains, or western Canada, the chipmunk you are most likely to encounter is the least chipmunk. My chipmunk is an eastern chipmunk. Difficulty: Easy.

From Quiz: The Charming Chipmunk
 
Some incorrect choices:
Palmer's chipmunk, Red-tailed chipmunk, Long-eared chipmunk

7. On what continent are naked mole rats found?


Answer: Africa

Interesting Information:
Naked mole rats live in burrows under the dry areas of grasslands in east Africa, mostly in Ethiopia, Kenya, and Somalia. The colonies can have between twenty to three hundred members, but the average size is around seventy-five. Difficulty: Hard.

From Quiz: They Aren't Very Furry at All
 
Some incorrect choices:
Asia, Europe, South America

8. What kind of habitat do muskrats live in or near?


Answer: Wetlands

Interesting Information:
Muskrats tend to inhabit wetlands, including both salt and fresh-water areas, such as rivers, lakes, or ponds. Difficulty: Easy.

From Quiz: Muskrat Luv!
 
Some incorrect choices:
Rainforests, Deserts, Polar regions

9. What order do rats belong to?


Answer: Rodentia

Interesting Information:
Rats are in the order Rodentia. The order runs the gamut in terms of the sizes from the smallest, the pygmy jerboa, to the largest, the capybara.

Lagamorpha is the order of rabbits and hares. Carnivora is the large order of animals that eat mainly meat. This orders includes animals such as dogs, cats, and raccoons among others. Passeriformes is the order of most small songbirds such as chickadees, kinglets, and bushtits. Difficulty: Very Easy.

From Quiz: Those Beady Eyed Rats
 
Some incorrect choices:
Lagomorpha, Carnivora, Passeriformes

10. What natural environment are lemmings usually found in?


Answer: The Arctic

Interesting Information:
Lemmings live primarily in the tundra in the Northern Hemisphere. Their long fur allows them to be able to withstand harsh, cold weather. Difficulty: Hard.

From Quiz: Lemme Quiz You on Lemmings
 
Some incorrect choices:
The Antarctic, Deserts, Jungles

11. Where would you most likely find a capybara?


Answer: In a densely forested area with bodies of waters nearby

Interesting Information:
Capybaras are actually semi-aquatic. Their diet consists of grasses, aquatic plants, grains, and fruit. They are found mostly in South America. Difficulty: Easy.

From Quiz: Capybaras
 
Some incorrect choices:
In a dry desert area, In an alpine tundra high on a mountain, On a coastal beach without much vegetation

12. How many different species of beaver are there in the world?


Answer: It depends on what biologist you ask.

Interesting Information:
Traditionally, biologists thought that there were two species: Castor canadensis, the North American beaver, and Castor fiber, the Eurasian beaver. However, since North American beavers introduced to Eurasian populations readily breed with the Eurasian beavers, many biologists consider them to be the same species, Castor fiber. Difficulty: Hard.

From Quiz: All About Beavers
 
Some incorrect choices:
1, 2, 3

13. What is the approximate weight range of the adult male American beaver?


Answer: 25 - 70lbs

Interesting Information:
The beaver weighs between 24 to 71lbs. (Wild! America) Difficulty: Hard.

From Quiz: The North American Beaver
 
Some incorrect choices:
80 - 120lbs, 10 - 15lbs, 115 - 150lbs

14. What is the preferred habitat of a common red squirrel?


Answer: Arboreal (up in trees)

Interesting Information:
The red squirrel is an arboreal animal. It lives mostly in trees, where it also will build its nest, and descends to the ground for foraging or to move over larger distances. They can jump from one tree to an adjacent one, and they are also able to swim. The red squirrel usually prefers conifers such as pines and spruces, but has also been spotted in deciduous trees.
A common red squirrel has a tail almost as long as its body: typically about 19-23 cm body length and 15-19 cm tail length, for a total weight of 250 - 340 g. Males and females typically are about the same size.

Ground squirrels tend to be larger and have shorter tails. The family of the ground squirrels also includes the marmots and the groundhogs.
Difficulty: Hard.

From Quiz: Red Squirrels
 
Some incorrect choices:
Terrestrial (at ground level), Aquatic (in the water), Subterranean (digging underground)

15. In which mammal is the female of the species generally as big as, or bigger than, the male?


Answer: the beaver

Interesting Information:
Sexual dimorphism is the inclusive term for physiological and behavioral differences between males and females of a given species. Perhaps you got the correct answer even without knowing the size difference, as the beaver is the only rodent among the answers. Beavers are the second largest rodent species. Males and females are similar, with females tending to be slightly heavier. Most people, through their own experience and observation, can see that human males and male dogs tend to be larger than their female counterparts on average, notwithstanding the case of American woman Sarah Elaine Allen (1955-2008), who was listed in the Guinness record book at 7'7" tall. In other large primates, such as gorillas, orangutans, and baboons, size disparity is greatest, with males normally being up to twice as large. Difficulty: Hard.

From Quiz: Rodents: From Busy Beavers to Suicidal Lemmings
 
Some incorrect choices:
the dog, the human being, the gorilla

16. Rats are quite the survivors. There is a species of rat that can survive longer without water than which well known desert wanderer?


Answer: Camel

Interesting Information:
It is well known that a camel can survive up to fifteen days without water. The kangaroo rat (Dipodomys species) can go their whole lives (3-5 years) without water. They get enough liquid from the food that they consume. An interesting fact that is not well known is that giraffes can go without water for around 20 days, but one should take into account their typical habitat would not include deserts. Difficulty: Very Easy.

From Quiz: Mr.Radt's Amazing Fun Facts on Rats
 
Some incorrect choices:
Giraffe, Desert Elephant, Moose

17. The yellow-bellied marmot can only be found naturally in the wild in which two neighboring countries?


Answer: Canada and United States

Interesting Information:
The yellow-bellied marmot primarily lives in the Rocky Mountains and the Sierra Nevada Mountains, but they can be found in grasslands on rare occasions. Most of their habitat is in the western United States, with Yosemite National Park a popular location for them. They can be found less commonly in parts of southwestern Canada. Difficulty: Hard.

From Quiz: He Was So Yellow-Bellied
 
Some incorrect choices:
Ireland and United Kingdom, Russia and China, Brazil and Argentina

18. What is one adaptation an animal must possess to be put into the order Rodentia?


Answer: Continuously growing incisors

Interesting Information:
How many rats have you seen with long bushy tails?
Ever wonder why you see rodents constantly chewing on things? Its because of those incisors. If they are not trimmed regularly by gnawing, they can grow so long that the animal can no longer eat. In domestic situations, the rodent would need to be taken to a veterinarian who will file down the teeth. Difficulty: Easy.

From Quiz: Those Beady Eyed Rats
 
Some incorrect choices:
Long bushy tails, Short pointed ears, Five toes on each foot

19. Living in deep subterranean burrows can be dark and stuffy. How have naked mole rats adapted to live in low-oxygen, high-carbon dioxide environments?


Answer: They have more efficient hemoglobin and a much lower metabolic rate

Interesting Information:
Naked mole rats have high oxygen affinity hemoglobin that extracts as much oxygen as possible from the atmosphere. In addition, they have a high acid buffering capacity in their blood to neutralize the formation of carbonic acid from carbon dioxide.

The naked mole rat has a metabolic rate less than half that of a typical rodent. Their low metabolism lessens their need for oxygen and is also thought to prevent them from overheating while digging burrows. Difficulty: Very Easy.

From Quiz: Don't Stop Conceiving
 
Some incorrect choices:
They carry miniature scuba tanks on their backs, They've developed gills and extra capillaries in their skin, They aerate their tunnels with straws to the ground's surface

20. Along with lemmings, what other two animals comprise the subfamily Arvicolinae?


Answer: Voles and muskrats

Interesting Information:
Most rodents are placed into subfamilies based on the shape of their teeth. Voles, muskrats and lemmings have molars that are different than any other types of rodents. Difficulty: Hard.

From Quiz: Lemme Quiz You on Lemmings
 
Some incorrect choices:
Otters and beavers, Chipmunks and woodchucks, Ferrets and minks

21. Capybaras live in groups that are led by what?


Answer: A dominant male

Interesting Information:
Capybaras usually live in groups of 10-30 capybaras. The dominant male will keep his position by chasing the subordinate males (rarely will the males fight). Difficulty: Hard.

From Quiz: Capybaras
 
Some incorrect choices:
A dominant female, A dominant female and male, There are no leaders

22. Where would I find a mountain beaver?


Answer: The Pacific Northwest

Interesting Information:
The mountain beaver is found from Point Reyes along the California coast and inland to the Sierra Nevadas, then northward to British Columbia. Most of the California subspecies are rare or endangered; mountain beavers are most common in Washington and Oregon. Difficulty: Hard.

From Quiz: How Weird- The Mountain Beaver
 
Some incorrect choices:
The Himalayas, The Rocky Mountains, The Swiss Alps

23. The American porcupine is a member of which family?


Answer: Erethizontidae

Interesting Information:
Hystricidae is made up of the Eurasian porcupines, but Coendou is a genus, not family. Sphiggurus villosus are classified as thin-spined porcupines. Difficulty: Hard.

From Quiz: Herbivores: Precious Porcupines
 
Some incorrect choices:
Hystricidae, Coendou, Sphiggurus villosus

24. What is a squirrel's home called?


Answer: Drey

Interesting Information:
A drey is a platform of twigs in the high branches of a tree, usually higher than 5 metres. The twigs are used to construct a little hollow which is filled with soft bedding materials. The drey (or den as it is sometimes called), can also be a hidey hole in the trunk of a hollow tree. Again the hole is lined with soft mosses and leaves to create a warm safe place for the squirrel to retreat to. Difficulty: Hard.

From Quiz: UK Wildlife - Squirrels
 
Some incorrect choices:
Lair, Warren, Holt

25. Beavers belong to their own genus: Castor. Why were they given this name?


Answer: It comes from the name of an oily substance that beavers produce.

Interesting Information:
The oily substance is called castoreum. It comes from two large glands that are aptly called castoreum glands. Beavers use this pungent yellow secretion to mark their territory. Difficulty: Hard.

From Quiz: All About Beavers
 
Some incorrect choices:
It's a Latin word meaning "large rodent"., It's a Latin word meaning "teeth"., The biologist that named the beaver liked the constellation Gemini.

26. How many species of prairie dogs are there in North America?


Answer: five

Interesting Information:
There are five species in the genus Cynomys: Black-tailed, White-tailed, Gunnison's, Mexican, and Utah Prairie Dogs. Difficulty: Hard.

From Quiz: Prairie Dogs
 
Some incorrect choices:
three, four, six

27. What is the beaver's home called?


Answer: Lodge

Interesting Information:
A beaver builds a lodge, which has underwater entrances that lead to the main living chamber. (Wildlife Fact File) Difficulty: Hard.

From Quiz: The North American Beaver
 
Some incorrect choices:
Dam, Food Store, Nursery

28. What's *NOT* the use of the long bushy tail of the red squirrel?


Answer: Grabbing onto a tree branch

Interesting Information:
The red squirrel's tale has many uses, but it is not prehensile - so it cannot be used to grab things. It does help to steer a jump or in keeping the balance when running, especially on narrow branches. And in harsh weather a resting squirrel may drape its tail around its head in the way of a scarf, to help keeping warm.

According to my research, there is not any species of squirrel equipped with a prehensile tail. The only rodents with prehensile tails are the harvest mouse and (to a lesser degree) rats and arboreal porcupines.
Difficulty: Hard.

From Quiz: Red Squirrels
 
Some incorrect choices:
Balancing when running over narrow branches , Steering the jump from one tree to another, Keeping warm

29. There's the Siberian chipmunk in Asia, but where are all other chipmunks found?


Answer: in North America, and a few as pets in Europe

Interesting Information:
The chipmunk's range in North America means it encounters everything from deserts to mountains. There are some biologists who say the western chipmunk should have its own genus, Neotamias, with 23 species, but others say that two genuses are enough: the Tamias in North America and Eutamias in Asia, with minimal species. DNA testing may bring the arguments to a close, but there's still work to be done in 2016. Difficulty: Hard.

From Quiz: Chipmunks! The Real Ones, That Don't Need to Sing
 
Some incorrect choices:
worldwide except for Antarctica, in North and South America, in Australia and North America

30. Why is it possible to only see yellow-bellied marmots from April to August?


Answer: They hibernate the rest of the year.

Interesting Information:
Yellow-bellied marmots spend over half of the year hibernating. Because of their hibernation habits, the marmots are constantly eating during April through August. Despite this, they have a low calorie diet which makes their incredibly long hibernation a mystery to scientists. Difficulty: Hard.

From Quiz: He Was So Yellow-Bellied
 
Some incorrect choices:
They spend their winters in Mexico., Wolves hunt the marmots in the winter months., Their fur changes color; they are camouflaged in the other months.

31. Which word best describes a chipmunk's feeding habits?


Answer: Omnivore

Interesting Information:
When looking at a chipmunk, one wouldn't think of that cute little fellow as a predator, but he is. Most of a chipmunk's diet consists of nuts and seeds, but a chipmunk will eat insects, worms and even small frogs! Difficulty: Hard.

From Quiz: The Charming Chipmunk
 
Some incorrect choices:
Herbivore, Carnivore, Piscivore

32. Relative to brown rats, how heavy are muskrats?


Answer: About 4 times heavier

Interesting Information:
Muskrats can weigh up to about 2kg (4.4 pounds). Difficulty: Hard.

From Quiz: Muskrat Luv!
 
Some incorrect choices:
About 2 times heavier, About the same, About 2 times lighter

33. Which species of rat hosted the fleas that led to the spread of the black plague?


Answer: Black rat (Rattus rattus)

Interesting Information:
The black rat may not be the most well known or often seen species, but it carried fleas that had the pathogen that caused bubonic plague. These rats scurried onto ships and then disembarked wherever the ship made port. This allowed the fleas to spread to other parts of Europe.

The more well known rat is the Norway rat. Among its many names are city rat and sewer rat. It is also the species that was used to create the domestic rat, or fancy rat. Difficulty: Hard.

From Quiz: Those Beady Eyed Rats
 
Some incorrect choices:
Norway rat (Rattus norvegicus), African grass rat (Arvicanthis niloticus), Gambian pouched rat (Cricetomys gambianus)

34. Which type of teeth grows constantly throughout a lemming's lifetime?


Answer: Incisors

Interesting Information:
Most rodents gnaw their food which causes their incisors to wear away. Difficulty: Easy.

From Quiz: Lemme Quiz You on Lemmings
 
Some incorrect choices:
Molars, Premolars, Bicuspids

35. What does the word "capybara" mean?


Answer: Master of the grass

Interesting Information:
The word "capybara" is from the native people of South America. Capybaras have also earned the nickname "water hogs". Difficulty: Hard.

From Quiz: Capybaras
 
Some incorrect choices:
Master of the water, Master of the dirt, Master of the tree

36. What is the Latin name for the red squirrel?


Answer: Sciurus vulgaris

Interesting Information:
Sciurus carolinensis is the grey squirrel which was introduced into the UK, sciurus niger is the fox squirrel (or Eastern fox squirrel) which can be found in Texas, and sciurus igniventris is the Northern Amazon red squirrel. Difficulty: Hard.

From Quiz: UK Wildlife - Squirrels
 
Some incorrect choices:
Sciurus carolinensis, Sciurus niger, Sciurus igniventris

37. Casteroides is the name given to the prehistoric beaver that swam the freshwater lakes of North America long ago. How large was this beaver ancestor?


Answer: About the size of an adult black bear.

Interesting Information:
Casteroides was monstrous. It probably weighed around 800 pounds and measured 8 to 9 feet in length. Difficulty: Hard.

From Quiz: All About Beavers
 
Some incorrect choices:
About the size of modern beavers., About the size of an adult elephant., About twice the size of modern beavers.

38. What is the geographical range of the prairie dog?


Answer: Western US

Interesting Information:
Their range is throughout most of the Western US, from Canada to Mexico, including the states of Montana, Nebraska, Oklahoma, Kansas, Texas, New Mexico, Colorado, Arizona, Utah, Wyoming, and the Dakotas. Difficulty: Hard.

From Quiz: Prairie Dogs
 
Some incorrect choices:
Northeastern US, Southeastern US, Eastern Canada

39. How do beavers warn each other of danger?


Answer: by slapping their tails on the water

Interesting Information:
Beavers warn each other of danger by slapping the water with their tails. (Wild! America) Difficulty: Easy.

From Quiz: The North American Beaver
 
Some incorrect choices:
by growling, by slapping their tails on land, by diving under the water

40. Read carefully. Which statement concerning Australian mammals is FALSE?


Answer: The bush rat is not a rat

Interesting Information:
The bush rat IS a rat; a small, omniverous, rodent indigenous to Australia. It is one of the more common rat species in Australia, and can be found chiefly in the southeast coastal regions. The three incorrect answers are true statements. Interesting that "wombat" and "numbat" are names for real Australian mammals, but they have no connection to the flying mammals known as bats. A good look at a wombat shows a chubby ground dwelling marsupial approximately one meter long, with a face and ears reminiscent of a kangaroo or a koala, both of which are relatives.

Wombats are herbivores with powerful claws for digging and sharp teeth. Despite their cuddly appearance, they can be aggressive and can move remarkably fast. The numbat, aka the walpurti or banded anteater, is a small marsupial mammal native to Western Australia. It has grey/brown fur and eats mainly termites. Despite its name and its mousey appearance, the musky rat-kangaroo is not a rat, or a mouse, or a kangaroo! It is a small marsupial found only in the rain forests of north eastern Australia. Difficulty: Hard.

From Quiz: Rodents: From Busy Beavers to Suicidal Lemmings
 
Some incorrect choices:
The numbat is not a bat, The wombat is not a bat, The musky rat-kangaroo is not a rat
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