Rodentia. The single largest group of mammals is the________________. Most ____________mammals are rodents. There are about ___________living species.

Rodentia

Rodentia

• The single largest group of mammals is the________________. • Most ____________mammals are rodents. • There are about ___________living species of rodents (out of

4000 species of mammal).

Rodentia

• Most people are familiar………..• mice,_______, hamsters, and guinea pigs. • Rodentia also include beavers,___________, porcupines,

woodchucks, ____________, squirrels, prairie dogs, and chinchillas.

• Rodentia does NOT include ___________ (they are different from rodents in that they have an extra pair of _____________and other different skeletal features).

Rodentia

• Rodents are found native on all continents except_______________.

• One family of rodents, the , contain over 1100 species.

• These are and .

Rodentia

• Rodents show their greatest diversity in .

• Some of these include mountain , which are _____________ animals that live in the mountains; Patagonian , which are rabbit-like, animals with long and short ; the , which is a marsh-dwelling animal that is hunted for its ; and burrowing animals like the and . The Chinchilla and Guinea Pig is also a native of South America.

Guinea Pig (Domesticated Cavy)

Chinchilla

Mountain viscachas

Patagonian cavies

Patagonian Cavy

• Describe their movement and Habitat:

• ______________________________________________________________________________________________________

Coypu: called the Nutria in the US a known _______________

Paca: __________________

Tuco-tuco

Rodent

• The , which also lives in South America, is the largest living rodent.

• It is about the size of a and gets up to a weight of about .

• They live in the plains of South America and are often hunted or ranched for their .

Rodent

• All rodents share common . • They have a single pair of in each jaw,

and they grow continually throughout life. • The incisors have thick layers on the front,

but not on the back; this causes them to retain their shape as they are worn down.

Rodent

• Behind the incisors is a large in the tooth rows, or .

• There are no , and typically only a few at the rear of the jaws.

• Rodents have a unique patterns and they also have large muscles to help with this.

Rodent• Male rodents have a , which is a penis bone. • Most rodents are , but some are ,

and others eat only . • Rodents live in many different places, such as and

. • They can also be found in some habitats and

also in the . • They can be , like the porcupine, or live in highly

groups, like prairie dogs.

Rodent• Some are also carriers of human such as

bubonic plague, typhus, and fever. • Some rodent species are important as

sources of or . • Others are used extensively in research.

______________:Eastern Chipmunk

•Tamias striatus

Chipmunk

Gray Squirrel

Beaver

•Castor canadensis ________________________

Hanta Movie

• Write a sentence about the movie.

• ______________________________________________________________________________________________________

Black/Brown Rat

•Rattus rattus:•__________

Mouse

• ___________

Vole

Gopher

• Movie: Write a description:

• ____________________________________________________________________

Groundhog

Muskrat

Rat

Alabama Beach Mouse

•Peromyscus polionotus ammobates

The Truth

Hamster

•

Most hamster Species _____________________

Beaver

Lemming Movie

Jerboa

• Found in _______,

• And____________

Gerbil

Prairie Dog

Mole Rat