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Common Rodents: Rats and Mice

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Rats and Mice: The Most Common Rodents!

 

After reading this sentence, close your eyes and think of the word "rodent", then think of the first rodent that comes to mind. It's a mouse or rat, right? Of course it is!

Rats and mice are perhaps the most common rodents other than lemmings (yes, I mean those cute lil' fuzzballs running off cliffs as I write!)

Another theory about rats and mice (cue the Despereaux theme song!) is that rats eat their small cousins, mice. Actually, that only happens during a time that the rat cannot find other food sources but the mouse. So read and discover the world of these fascinating creatures.

A Family of Rodents 

Who are rodents and who are not?

Rodentia, the rodent family consists of not only rats and mice but also beavers, muskrats, porcupines, woodchucks, chipmunks, squirrels, prairie dogs, marmots,chinchillas, voles, lemmings, and many others.

By the way, the Rodentia does not include rabbits; because rabbits have an extra pair of incisors and in other skeletal features. Rabbits, hares, and a few other species make up the Lagomorpha.

Shrews, moles and hedgehogs are also not rodents; they are classified in the Insectivora because they eat insects.

Rodent Facts 

The meaning of the word "rodent" is "to gnaw" and rodents are well equipped to carry out this activity.

Mouse TeethMice are notorious nibblers, eating many types of food, but preferring seeds and grain.

Mouse NibblingA single mouse eats only about 3 grams of food per day (8 pounds per year), but because of their habit of nibbling on many foods and discarding partially eaten items, the amount of food contaminated is about ten times greater.

Mice can get by with little or no free water, obtaining their water needs from the food they eat.

House mice are mainly nocturnal although daytime activity may be seen.

Nests are constructed of fibrous materials and generally have the appearance of a "ball" of material loosely woven together. Nests are usually 4 to 6 inches in diameter and can be found in any sheltered location.

Mouse NestMice are sexually mature as early as 6 to 10 weeks old and may breed year-round. In perfect conditions, a nest of mice produce 2,500 heirs in a six-month period.

Baby MiceA mouse rarely travels more than 10 to 30 feet from it's nest to obtain food and water.

Mouse DroppingsUnder the same perfect conditions that same nest of mice can deposit 18,000 droppings.

MouseThey travel around perimeters rather than across empty spaces. Because of the keenly developed sense of touch in their vibrissae (whiskers) and in specialized hairs along the body, rats prefer continual body contact with at least one vertical surface such as a fence or wall.

They are not afraid of new objects in their environment and are curious to "check things out". This behavior makes trapping easier, especially when traps are placed along walls where mice are most likely to establish pathways.

Quiz: What are Rodents? 

Are you up for the rodent's challenge?

Rodent

Read the information on this page. When you finish, take the "Rodent? Quiz" just for fun!
"What is a Rodent?" Activity Page
There are more species of rodents than of any other animal group the world. Nearly 40 percent of all mammal species are rodents, making them among the most successful animals on earth.

Rodent Identification

Rodents have many special features. All rodents have one pair of upper and lower chisel-shaped incisor teeth that are covered with hard enamel on the front and a softer substance like bone on the back. As the rodent gnaws, the backs of the chisel-shaped teeth wear away faster to maintain a sharp edge. The incisors grow all of the time or continuously. If the rodent does not keep gnawing, the front incisors will grow right out of its mouth and prevent it from eating.

Rat Identification

Gnawing is not chewing. Gnawing means that the rodent nips off, or shaves off, layers of food or hard wood. When the food is inside its mouth, it chews the food into shreds. It does this with flatter teeth called molars, before swallowing the food. Some rodents have molars that grow all of the time much like the front teeth. Still others have powerful jaw muscles that let them chew in a special circular way that shreds hard fibrous foods better.

Rat Identification

Most rodents, but not all, have four toes on the front feet and five toes on the back feet. Most rodents are nocturnal (awake at night).

Rodents, as a group, are very active and must eat a large amount of food. During the winter when food is scarce, some rodents hibernate. Others store food and wake from a deep sleep to eat from time to time. Small members of the rodent family give birth to many young. Rodents have lots of natural predators.

Mice  

Mice are the most recoginized rodents.

Add to the List of Rodents... 

Rodent Teeth

Do you know of any rodents I missed? Just add them to the list.

Mice

1 point

Rats

1 point

Hamsters

1 point

lemmings

1 point

Books about Mice, Rats and other Rodents 

Mouse

Fiction and Non-Fiction books about mice and rats to spark the imagination and bring better understanding to the world of mice and rats.

Caring for your pet rodents. 

Not all rodents have the same needs.

Having a pet in the classroom is important for children to learn first hand how to care for pets and is the best way to observe animal behavior.

I like to have at least one member of the rodent family in the classroom. We set up a schedule with parents and children to come in on weekends to care for them. Animals usually go home on long weekends and vacations.

You may find that children in older classes or in high school are happy to help out as well.

Featured Rodent Lenses 

Learn more about Rodents and their care by visiting these great lenses.

Havahart Traps 

Havahart Traps are a safe way to observe wild rodents up close.

Mice

Havahart traps are the ideal way to capture and observe wild mice, rats, chipmunks and squirrels.

My daughter discovered this last summer when the chipmunks decided that our kitchen was a free restaurant.

We put all the food in glass jars and then set out the Havahart trap.

As we caught each one we observed it for about 20 minutes, writing down everything that we noticed.

Soon she was able to distinguish each individual.

Mice and Rat Finger Puppets 

Mouse Puppet

These little finger puppets are great for pretending to be in Redwall or for any other Rat and Mice play. They make great stocking stuffers and can be carried in a pocket book to keep kids amused on trips to the doctor or dentist.

Mouse Finger Puppet - Brown

Amazon Price: (as of 07/25/2008)

Folkmanis Mini Field Mouse Finger Puppet

Amazon Price: $4.80 (as of 07/25/2008)

Folkmanis Mini Squirrel Finger Puppet

Amazon Price: $4.99 (as of 07/25/2008)

Hamtaro 

Hamtaro is a lovable hamster born at an adoption center. He finds himself bought by a young girl named Amy, and his world becomes full of adventures and fun...other than the trouble he gets into along the way!

Hamtaro

After quite a few adventures and lots of mischief, Hamtaro one day discovers a tunnel to the outside, and meets Oxnard and Boss, who help him form the Ham-hams, a helpful band of justice-serving hamsters. And even more adventures are yet to come!

Rodent Pictures 

Sisters by SMercury98

Sisters

USA 2006 (October 18th) New York, New York City by Paraflyer

USA 2006 (October 18...

USA 2006 (October 18th) New York, New York City by Paraflyer

USA 2006 (October 18...

Snoqualmie Squirrel by Cara_VSAngel

Snoqualmie Squirrel

What!!...you STILL there???.... by law_keven

What!!...you STILL t...

img_5386 by Mulad

img_5386

Misha by Arcadiareptiles

Misha

Scabbers by Arcadiareptiles

Scabbers

the baby mice by Arcadiareptiles

the baby mice

the baby mice by Arcadiareptiles

the baby mice

Redwall Video 

Funny Redwall Situations

I tried to find as many funny parts of Redwall as I can. The song is "The Cantina".

Runtime: 1:50 | 4592 views | 25 Comments

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Redwall Abbey 

Redwall Abbey

|\_/|
(^.^))
(> <)) Squirrely!
Welcome to Redwall Abbey
Hello Friend...
Welcome to Redwall Abbey.
Come in and meet Father Abbot.
Snowfur's Redwall Encyclopedia
A website containing games and other redwall trinkets, plus the famous Mossflower Talk!
The DAB
Seen in Brian Jacques's Triss, the DAB (Dibbuns Against Bedtime) is a society of baby creatures formed against the adult rules.

Play and interact with others online, and earn candied chestnuts, which can be spent and eaten ^^!

Who is blogging about mice? 

Redwall
HAVANA on SPAO Red Wall Gallery

Learn more about Rats and Mice and their Relatives 

Antique Mouse Toys 

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Experts on Rodents 

Pet Rodents

Lily has written a wonder All in One Guide to Pet Rats. Her love and caring for rodents shines through her lens.

All rodents are fascinating to watch at a distance but ask a vet before adopting a pet rodent.

Tell us how you react when you see a mouse or a rat. 

Penny

Cool lens!

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Evelyn_Saenz

About Evelyn_Saenz

Hello world. I am an educational consultant, teacher and a homeschooling mom. I love to help others find materials for teaching. Check out my lenses and leave me a comment.  :)

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