hamster
short-tailed Old World burrowing rodent with large cheek pouches
A small Eurasian rodent of the subfamily Cricetinae, especially Mesocricetus auratus, having large cheek pouches and a short tail and often kept as a pet or used in laboratory research.
A chipmunk
Baboon
The Agouti. They are in Rainforests in Mexico, Central America, and Northern South America. They live 13-20 years and there are 13 different species. To see a picture and read more, go to http://www.enchantedlearning.com/subjects/mammals/rodent/Agoutiprintout.shtml
African Pouched Rats are so-called because of their large cheek pouches where they store food, similar to the American squirrel.
Hamsters have very large cheek pouches for storing food for later.
Chipmunks have cheek pouches that can expand to hold a large amount of food, including seeds. They gather seeds with their front paws and stuff them into their cheek pouches, then carry the seeds back to their burrows to store for later consumption.
Hamsters have large cheek pouches that can't be seen when they are empty. But they will fill these with food so they can transport it all back to their nest in one go.
Squirrels belong to a large family called the Sciuridae.
The series of gathered pouches in the large intestine is called "haustra". These haustra give the large intestine its distinctive appearance and help in the absorption of water and electrolytes from the remaining digested food.
The animal you are referring to is called a capybara, which a a large rodent found in South America. It weighs about 100 lbs and is semi-aquatic. It is the world's largest rodent.