Quoted from The Mammals, A Guide to the Living Species by Desmond Morris, Harper & Row, New York, 1965: Looking rather like a cross between a Guinea-pig and a Hippopotamus, the Capybara is the largest of all the I,729 species of living rodents.
http://www.rebsig.com/capybara/
The great majority are under a few inches in length; the largest, the capybaracapybara. , mammal of Central and much of South America. It is the largest living member of the order Rodentia (the rodents) reaching a length of 4 ft (120 cm) and a weight of 75 to 100 lb (34–45 kg). ..... Click the link for more information. , is about 4 ft (120 cm) long and 20 in. (50 cm) high at the shoulder.
http://encyclopedia2.thefreedictionary.com/Rodents
member of the mammalian order Rodentia, characterized by front teeth adapted for gnawing and cheek teeth adapted for chewing. The Rodentia is by far the largest mammalian order; nearly half of all mammal species are rodents.
http://encyclopedia2.thefreedictionary.com/order+Rodentia
The largest member of the parrot family by weight is the Kakapo, which lives in New Zealand. The kakapo can weigh from 1.5 to 3kg (52.5 - 105 ounces) for males, and 950g to 1.…6kg (31.6 - 56 oz) for females. The kakapo averages 65cm in length (25 inches). The kakapo is the world's only flightless parrot.
http://www.answers.com/Q/What_is_the_largest_member_of_the_rodent_family
The great majority are under a few inches in length; the largest, the capybaracapybara. , mammal of Central and much of South America. It is the largest living member of the order Rodentia (the rodents) reaching a length of 4 ft (120 cm) and a weight of 75 to 100 lb (34–45 kg). ..... Click the link for more information. , is about 4 ft (120 cm) long and 20 in. (50 cm) high at the shoulder.
http://encyclopedia2.thefreedictionary.com/order+Rodentia
member of the mammalian order Rodentia, characterized by front teeth adapted for gnawing and cheek teeth adapted for chewing. The Rodentia is by far the largest mammalian order; nearly half of all mammal species are rodents.
http://encyclopedia2.thefreedictionary.com/Rodents
Don't miss the perpetual capybara machine. The capybara, Hydrochoerus Hydrochaeris, is a semi-aquatic rodent of South America. It weighs about a hundred pounds, and is about 2 feet tall at the shoulder. To help you imagine the size of a capybara, click on the image to the right to see a picture including a human being (5 ft. tall) for scale.
http://www.rebsig.com/capybara/
Rodents (from Latin rodere, to gnaw) are mammals of the order Rodentia, which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents; they are found in vast numbers on all continents except Antarctica. They are the most diversified mammalian order and live in a variety of terrestrial habitats, including human-made environments.
https://en.wikipedia.org/wiki/Rodent
Muridae (family Muridae), largest extant rodent family, indeed the largest of all mammalian families, encompassing more than 1,383 species of the “true” mice and rats. Two-thirds of all rodent species and genera belong to family Muridae. The members of this family are often collectively called murids, or muroid rodents. 1  The 300 genera of muroid rodents are classified within 18 subfamilies, but more than 200 of them (and nearly 1,000 species) belong to only two subfamilies—Sigmodontinae (New World rats and mice) and Murinae (Old World rats and mice).
https://www.britannica.com/animal/Muridae
Introduction to the Rodentia. The single largest group of mammals is the Rodentia. Most non-flying mammals are rodents: there are about 1,500 living rodent species (out of about 4,000 living mammals overall). Most people are familiar with mice, rats, hamsters, and guinea pigs, which are commonly kept as pets.
http://www.ucmp.berkeley.edu/mammal/rodentia/rodentia.html
largest member of rodent
The capybara is the largest member of rodent.