Rodents are classified by a single pair of continuously growing incisors in both their upper and lower jaws; the length of their incisors are maintained by gnawing, which is how they eat. The diet of Rodents usually consists of seeds and plants, but some species do have more varied diets. Historically, Rodents have been keep as pets, used as laboratory animals, and treated as pests. Rodents accidentally introduced as invasive species to new ecosystems, most notably islands, have been seen to wreak havoc and cause extinction of naturally-occurring species. Rodents are found on all continents, except Antarctica, and are the only species, besides Bats and Sea Lions, to reach Australia without human introduction.

What do rodents eat?

A rodent’s diet depends on the species as well as habitat. For example, mice and rats are able to carry a flexible diet, and quickly adapt to the food available in their surroundings. Squirrels and beavers have more specific food requirements. Beavers exclusively eat plants such as grass and twigs. Rodents generally eat nuts, meat, fish, fruits, berries, and food scraps.

How do you keep rodents out of a garden?

In order to keep rodents out of a garden remove any shelters they have such as brush piles and tall grass, remove food sources, control lawn grubs, and maintain the garden clean by keeping garbage and recycling bins clean. Also seal any holes, place fences, and place mesh tubes around any plants to prevent rodents from eating them.

Where do rodents live?

There are about 2,050 species of rodents and these make up most the most diversified mammalian order. Rodents live all over the world except Antarctica. They can be found in almost every single country, as well as every type of habitat, including man-made environments. Rodents can be arboreal, semi-aquatic, or fossorial.

Rodents Guides
Browse through our curated Rodents Guides for additional categorizations, tips, details, variations, styles, and histories of Rodents. Guides provide additional insights into the unique properties and shared relationships between elements.
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1.4”-2” | 3.5-5 cm
2.75”-3.9” | 7-10 cm
.6-1.2 oz | 18-34 g
4 years (wild); 5-6 years (captivity)
African Dormouse
5.000
10.000
0.034
6.00
70
3D
African Dormouse
5.9”-7.3” | 15-18.5 cm
12”-16” | 31-41 cm
2-4 lb | .9-1.8 kg
3-5 years (wild); 8-10 years (captivity)
Black-Tailed Prairie Dog
18.500
41.000
1.800
10.00
800
3D
Black-Tailed Prairie Dog
7”-8.7” | 18-22 cm
15.7”-20” | 40-51 cm
.6-1.6 lb | 280-740 g
3-6 years (wild); up to 10 years (captivity)
California Ground Squirrel
22.000
51.000
0.740
10.00
4000
3D
California Ground Squirrel
Capybara
157000
20”-24” | 51-61 cm
42”-53” | 107-135 cm
77-146 lb | 35-66 kg
7-10 years (wild); 10-15 years (captivity)
Capybara
61.000
135.000
66.000
15.00
157000
3D
Capybara
5.1”-5.9” | 13-15 cm
9.8”-12.2” | 25-31 cm
6-10.6 lb | 170-300 g
1-4 years (wild); 5-9 years (captivity)
Common Degu
15.000
31.000
0.300
9.00
19200
3D
Common Degu
2.4”-3.5” | 6-9 cm
6”-10” | 15-25 cm
.6-1.5 lb | 250-700 g
1-2 years (wild); 2-3 years (captivity)
Common Rat
9.000
25.000
0.700
3.00
120000
3D
Common Rat
1.4”-2.2” | 3.5-5.5 cm
3.1”-5.1” | 8-13 cm
.7-1.4 oz | 20-40 g
.5-1 year (wild); 1-3 years (captivity)
Common Vole
5.500
13.000
0.040
3.00
73000
3D
Common Vole
1.8”-2” | 4.5-5 cm
2.75”-3.1” | 7-8 cm
.35-.6 oz | 10-17 g
2-3 years (wild); 4-5 years (captivity)
Dark Kangaroo Mouse
5.000
8.000
0.017
5.00
8000
3D
Dark Kangaroo Mouse
1.6”-2.4” | 4-6 cm
3”-4.5” | 7.6-11.4 cm
.14-.33 lb | 65-150 g
2-4 years (wild); 6-8 years (captivity)
Eastern Chipmunk
6.000
11.400
0.150
8.00
4100
3D
Eastern Chipmunk
4.3”-5.5” | 11-14 cm
8”-11” | 20-28 cm
.9-1.3 lb | 400-600 g
6-12 years (wild); up to 20 years (captivity)
Eastern Gray Squirrel
14.000
28.000
0.600
20.00
1900
3D
Eastern Gray Squirrel
Groundhog
172000
8.7”-11” | 22-28 cm
16”-20” | 41-51 cm
5-13 lb | 2.3-5.9 kg
3-6 years (wild); 10-14 years (captivity)
Groundhog
28.000
51.000
5.900
14.00
172000
3D
Groundhog
3.3”-4.1” | 8.5-10.5 cm
7.9”-9.8” | 20-25 cm
1.5-2.6 lb | .7-1.2 kg
2-4 years (wild); 5-7 years (captivity)
Guinea Pig | Cavy
10.500
25.000
1.200
7.00
7300
3D
Guinea Pig | Cavy
1.2”-2” | 3-5 cm
2.5”-4” | 6.3-10.2 cm
1.4-1.6 oz | 40-45 g
1-2 years (wild); 2-5 years (captivity)
House Mouse
5.000
10.200
0.045
5.00
17000
3D
House Mouse
2.6”-4.3” | 6.5-11 cm
5.5”-9” | 14-23 cm
.3-.5 lb | 150-220 g
5-7 years (wild); 10-19 years (captivity)
Japanese Dwarf Flying Squirrel
11.000
23.000
0.220
19.00
5900
3D
Japanese Dwarf Flying Squirrel
4.1”-6.9” | 10.5-17.5 cm
8.5”-14” | 22-36 cm
1.8-2.4 lb | 800-1100 g
8-10 years (wild); 10-20 years (captivity)
Long-Tailed Chinchilla
17.500
36.000
1.100
20.00
1200
3D
Long-Tailed Chinchilla
11”-14.6” | 28-37 cm
23.6”-31.5” | 60-80 cm
13-31 lb | 6-14 kg
Up to 12 years (wild); 12-16 years (captivity)
Lowland Paca
37.000
80.000
14.000
16.00
700
3D
Lowland Paca
2.2”-2.7” | 5.6-6.8 cm
4.5”-5.7” | 11.5-14.5 cm
2-4.6 oz | 60-130 g
2-3 years (wild); 3-5 years (captivity)
Mongolian Gerbil
6.800
14.500
0.130
5.00
2700
3D
Mongolian Gerbil
Muskrat
106000
4.5”-6.7” | 11.5-17 cm
10”-15” | 25-38 cm
1.5-4.5 lb | .7-2 kg
2-4 years (wild); up to 10 years (captivity)
Muskrat
17.000
38.000
2.000
10.00
106000
3D
Muskrat
14.2”-16.9” | 36-43 cm
29”-35” | 74-89 cm
25-75 lb | 11.3-34 kg
10-15 years (wild); 15-25 years (captivity)
North American Beaver
43.000
89.000
34.000
25.00
3500
3D
North American Beaver
12.6”-16.5” | 32-42 cm
23.6”-35.4” | 60-90 cm
20-40 lb | 9-18 kg
10-15 years (wild); 15-30 years (captivity)
North American Porcupine
42.000
90.000
18.000
30.00
200
3D
North American Porcupine
2.2”-2.6” | 5.5-6.5 cm
5.1”-6.3” | 13-16 cm
2.5-4.6 oz | 70-130 g
1-2 years (wild); 2-3 years (captivity)
Norway Lemming
6.500
16.000
0.130
3.00
30000
3D
Norway Lemming
8.3”-11.8” | 21-30 cm
16”-25” | 41-64 cm
10-35 lb | 4.5-16 kg
4-7 years (wild); up to 12 years (captivity)
Nutria | Coypu
30.000
64.000
16.000
12.00
11000
3D
Nutria | Coypu
1.8”-2.4” | 4.5-6 cm
3.5”-5.5” | 8-14 cm
2.1-3.4 oz | 60-95 g
2-5 years (wild); 5-10 years (captivity)
Ord’s Kangaroo Rat
6.000
14.000
0.095
10.00
26000
3D
Ord’s Kangaroo Rat
3.5”-5.1” | 9-13 cm
8.2”-13.8” | 21-35 cm
.26-.44 lb | 120-200 g
1-3 years (wild); 5-7 years (captivity)
Plains Pocket Gopher
13.000
35.000
0.200
7.00
450
3D
Plains Pocket Gopher
1.1”-1.9” | 2.7-4.7 cm
2”-3” | 4.5-7.6 cm
.7-1 oz | 20-30 g
2-3 years (wild); 4-5 years (captivity)
Roborovski Dwarf Hamster
4.700
7.600
0.030
5.00
17000
3D
Roborovski Dwarf Hamster
9.4”-13.4” | 24-34 cm
18.5”-27.5” | 47-70 cm
3.5-11 lb | 1.6-5 kg
12-15 years (wild); up to 21 years (captivity)
Yellow-Bellied Marmot
34.000
70.000
5.000
21.00
4200
3D
Yellow-Bellied Marmot
Guinea Pig | Cavy

Originating from the Andes of South America, the American Guinea Pig is considered the oldest, most popular Guinea Pig (or Cavy) breed. Today, the American Guinea Pig is commonly kept as a pet although it was originally raised as livestock in its native country. Its scientific name is Cavia porcellus, with porcellus meaning “little pig” in Latin.

Considered one of the larger-sized rodents weighing up to three pounds (48 ounces), the American Guinea Pig is physically characterized by its stout body, short, flat coat appearing in a variety of colors, rounded nose, and the absence of a tail.

Guinea Pigs have a height of 3.3”-4.1” (8.5-10.5 cm), body length between 7.9”-9.8” (20-25 cm), and an overall weight in the range of 1.5-2.6 lb (.7-1.2 kg). Guinea Pigs have a typical lifespan of 2-4 years in the wild and 5-7 years when raised in captivity.

Series of measured elevation illustrations of the Guinea Pig or Cavy
Originating from the Andes of South America, the American Guinea Pig (Cavia porcellus) is considered the oldest, most popular Guinea Pig (or Cavy) breed. Today, the American Guinea Pig is commonly kept as a pet although it was originally raised as livestock in its native country.

Guinea Pigs have a height of 3.3”-4.1” (8.5-10.5 cm), body length between 7.9”-9.8” (20-25 cm), and an overall weight in the range of 1.5-2.6 lb (.7-1.2 kg). Guinea Pigs have a typical lifespan of 2-4 years in the wild and 5-7 years when raised in captivity.

Series of measured elevation illustrations of the Guinea Pig or Cavy
Guinea Pig | Cavy
Height:
3.3”-4.1” | 8.5-10.5 cm
Width:
Length:
7.9”-9.8” | 20-25 cm
Depth:
Weight:
1.5-2.6 lb | .7-1.2 kg
Area:
Tail Length
Scientific Name
Cavia porcellus
Lifespan
2-4 years (wild); 5-7 years (captivity)

Drawings include:

Guinea Pig (Cavy) side elevation (standing), front (standing)

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Eastern Chipmunk

The Eastern Chipmunk (Tamias striatus) is a ground squirrel native to and residing in deciduous forests of eastern North America. It can also be spotted around urban parks or rocky areas with shrub cover. The Eastern Chipmunk is small and has pouched cheeks for storing and carrying food.

It is distinguished by both light and dark brown stripes running along its body with a lighter underbelly and darker tail. Although it does not go into hibernation, the Eastern Chipmunk will sleep for long periods of time and wake every so often to consume the food kept in its burrow.

Eastern Chipmunks have a height of 1.6”-2.4” (4-6 cm), body length between 3”-4.5” (7.6-11.4 cm), and an overall weight in the range of .14-.33 lb (65-150 g). The tail length of an Eastern Chipmunk is 2.75”-4.3” (7-11 cm). Eastern Chipmunks have a typical lifespan of 2-4 years in the wild and 6-8 years in captivity.

Series of measured elevation illustrations of the Eastern Chipmunk
The Eastern Chipmunk (Tamias striatus) is a ground squirrel native to and residing in deciduous forests of eastern North America. It can also be spotted around urban parks or rocky areas with shrub cover. The Eastern Chipmunk is small and has pouched cheeks for storing and carrying food.

Eastern Chipmunks have a height of 1.6”-2.4” (4-6 cm), body length between 3”-4.5” (7.6-11.4 cm), and an overall weight in the range of .14-.33 lb (65-150 g). The tail length of an Eastern Chipmunk is 2.75”-4.3” (7-11 cm). Eastern Chipmunks have a typical lifespan of 2-4 years in the wild and 6-8 years in captivity.

Series of measured elevation illustrations of the Eastern Chipmunk
Eastern Chipmunk
Height:
1.6”-2.4” | 4-6 cm
Width:
Length:
3”-4.5” | 7.6-11.4 cm
Depth:
Weight:
.14-.33 lb | 65-150 g
Area:
Tail Length
2.75”-4.3” | 7-11 cm
Scientific Name
Tamias striatus
Lifespan
2-4 years (wild); 6-8 years (captivity)

Drawings include:

Eastern Chipmunk side elevation (standing), front (sitting), side (sitting), side (running)

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Norway Lemming

The Norway Lemming, scientifically known as Lemmus lemmus, is a rodent inhabiting the Arctic tundras. Its coat, unlike that of other rodents, can be quite noticeable in appearance: gray with reddish-brown stripes or tawny and black. Other physical characteristics include short legs and stump of a tail as well as a round body and nose.

The shape of a Norway Lemming’s claws help it burrow into the snow-- a necessary action in the winter for protection as it does not hibernate. In the spring however, the lemming moves from the tundra to higher areas. Lemmings are known to reproduce at rapid rates, leading to aggressive population fluctuations.

Norway Lemmings have a height of 2.2”-2.6” (5.5-6.5 cm), body length between 5.1”-6.3” (13-16 cm), and an overall weight in the range of 2.5-4.6 oz (70-130 g). The tail length of a Norway Lemming is .4”-.75” (10-19 mm). Norway Lemmings have a typical lifespan of 1-2 years in the wild and 2-3 years in captivity.

Dimensioned collection of scaled drawings of the Norway Lemming in various poses
The Norway Lemming, scientifically known as Lemmus lemmus, is a rodent inhabiting the Arctic tundras. Its coat, unlike that of other rodents, can be quite noticeable in appearance: gray with reddish-brown stripes or tawny and black. Other characteristics include short legs and stump of a tail.

Norway Lemmings have a height of 2.2”-2.6” (5.5-6.5 cm), body length between 5.1”-6.3” (13-16 cm), and an overall weight in the range of 2.5-4.6 oz (70-130 g). The tail length of a Norway Lemming is .4”-.75” (10-19 mm). Norway Lemmings have a typical lifespan of 1-2 years in the wild and 2-3 years in captivity.

Dimensioned collection of scaled drawings of the Norway Lemming in various poses
Norway Lemming
Height:
2.2”-2.6” | 5.5-6.5 cm
Width:
Length:
5.1”-6.3” | 13-16 cm
Depth:
Weight:
2.5-4.6 oz | 70-130 g
Area:
Tail Length
.4”-.75” | 10-19 mm
Scientific Name
Lemmus lemmus
Lifespan
1-2 years (wild); 2-3 years (captivity)

Drawings include:

Norway Lemming side elevation (standing), front (standing)

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Groundhog | Woodchuck

The Groundhog or Woodchuck, scientifically known as Marmota monax, is one kind of the 14 species of giant ground squirrels identified as marmots. The Groundhog undergoes hibernation and will dig a winter burrow deep enough to ensure a temperature above freezing as well as maintain a maximum weight right before entering this state.

Also called the “whistle-pig,” the Groundhog utilizes a high-pitched whistle to alert its colony if it notices danger. Another way it remains watchful is by standing completely still on its hind feet. The Groundhog or Woodchuck is noted for being territorial and aggressive in nature, using its claws and incisors to dig or attack if needed.

Groundhogs have a height of 8.7”-11” (22-28 cm), body length between 16”-20” (41-51 cm), and an overall weight in the range of 5-13 lb (2.3-5.9 kg). The tail length of a Groundhog is 4”-6” (10-15 cm). Groundhogs have a typical lifespan of 3-6 years in the wild and up to 10-14 years in captivity.

Set of dimensioned elevation drawings of the Groundhog (Woodchuck)
The Groundhog or Woodchuck, scientifically known as Marmota monax, is one kind of the 14 species of giant ground squirrels identified as marmots. The Groundhog undergoes hibernation and will dig a winter burrow deep enough to ensure a temperature above freezing as well as keeping a maximized weight.

Groundhogs have a height of 8.7”-11” (22-28 cm), body length between 16”-20” (41-51 cm), and an overall weight in the range of 5-13 lb (2.3-5.9 kg). The tail length of a Groundhog is 4”-6” (10-15 cm). Groundhogs have a typical lifespan of 3-6 years in the wild and up to 10-14 years in captivity.

Set of dimensioned elevation drawings of the Groundhog (Woodchuck)
Groundhog | Woodchuck
Height:
8.7”-11” | 22-28 cm
Width:
Length:
16”-20” | 41-51 cm
Depth:
Weight:
5-13 lb | 2.3-5.9 kg
Area:
Tail Length
4”-6” | 10-15 cm
Scientific Name
Marmota monax
Lifespan
3-6 years (wild); 10-14 years (captivity)

Drawings include:

Groundhog (Woodchuck) side elevation (standing), front (standing), front (upright)

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Common Degu

The Common Degu (Octodon degus), or just degu, is a small, social rodent unique to the lowlands of Chile. Active and extremely social during the day unlike the nocturnal rat, the Common Degu lives in burrows underground dug out in large communities of up to 100 rather than individually.

It is physically characterized by yellowish-brown fur, round ears, thin tail, and figure eight-shaped cheek teeth-- the reason behind its scientific name. People are able to keep the Common Degu as a pet, but it is recommended to have more than one as they thrive in colonies.

Common Degus have a height of 5.1”-5.9” (13-15 cm), body length between 9.8”-12.2” (25-31 cm), and an overall weight in the range of 6-10.6 lb (170-300 g). The tail length of a Common Degu is 5”-6” (13-15 cm). Common Degus have a typical lifespan of 1-4 years in the wild and 5-9 years in captivity.

Dimensioned collection of scaled drawings of Common Degu in various poses
The Common Degu (Octodon degus), or just degu, is a small, social rodent unique to the lowlands of Chile. Active and extremely social during the day unlike the nocturnal rat, the Common Degu lives in burrows underground dug out in large communities of up to 100 rather than individually.

Common Degus have a height of 5.1”-5.9” (13-15 cm), body length between 9.8”-12.2” (25-31 cm), and an overall weight in the range of 6-10.6 lb (170-300 g). The tail length of a Common Degu is 5”-6” (13-15 cm). Common Degus have a typical lifespan of 1-4 years in the wild and 5-9 years in captivity.

Dimensioned collection of scaled drawings of Common Degu in various poses
Common Degu
Height:
5.1”-5.9” | 13-15 cm
Width:
Length:
9.8”-12.2” | 25-31 cm
Depth:
Weight:
6-10.6 lb | 170-300 g
Area:
Tail Length
5”-6” | 13-15 cm
Scientific Name
Octodon degus
Lifespan
1-4 years (wild); 5-9 years (captivity)

Drawings include:

Common Degu side elevation (standing), front (standing), front (upright)

Details & Downloads

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