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With over 2000 living species placed in about 30 families, rodents are by far the largest order of mammals, at least in terms of number of taxa (well over 40% of mammalian species belong to the order Rodentia!). Rodents range in size from pygmy mice weighing 5 gms to capybaras, the largest of which weigh over 70 kg.
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animaldiversity.ummz.umich.edu/site/accounts/informatio...
animaldiversity.ummz.umich.edu/site/accounts/information/Rodentia.html
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The name Rodentia is derived from the Latin verb rodere (to gnaw), in allusion to the gnawing habits of the group. ... In habits, members of this order are diverse. Most of them are nocturnal or crepuscular; ground squirrels and tree squirrels are strictly diurnal; others may be active either by day or by night.
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www.nsrl.ttu.edu/tmot1/ordroden.htm
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Rodent - Wikipedia, the free encyclopedia
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Rodentia is an order of mammals also known as rodents , characterised by two continuously growing incisors in the upper and lower jaws which must be kept short by gnawing. Forty percent of mammal s...
en.wikipedia.org/wiki/Rodent
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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.
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www.ucmp.berkeley.edu/mammal/rodentia/rodentia.html
www.ucmp.berkeley.edu/mammal/rodentia/rodentia.html
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What is also very interesting is that rodents are the only placental order except for bats to reach Australia without human introduction... The members of the order Rodentia differ in size and shape. The African Pygmy Mouse is as small as 6 cms in length and weighs only 7 grams. ... Facts about the order Rodentia, the rodents...
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thewebsiteofeverything.com/animals/mammals/Rodentia/ind...
thewebsiteofeverything.com/animals/mammals/Rodentia/index.html
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Hutchinson encyclopedia article about order Rodentia. order Rodentia. Information about order Rodentia in the Hutchinson encyclopedia. ... Any mammal of the worldwide order Rodentia, making up nearly half of all mammal species. Besides ordinary ‘cheek teeth’, they have a single front pair of incisor teeth in both upper...
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encyclopedia.farlex.com/order+Rodentia
encyclopedia.farlex.com/order+Rodentia
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Rodents are members of the taxonomic order Rodentia. Order Rodentia is further subdivided into smaller taxonomic groups called families. In Alabama, Mississippi, Kentucky, and Tennessee, six families are represented: American beavers (family Castoridae);
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cain.nbii.gov/portal/community/Communities/Geographic_P...
cain.nbii.gov/portal/community/Communities/Geographic_Perspectives/Southern_Appalachian/Animals_and_Plants_of_the_Region/Mammals/-_Rodents_(order_Rodentia)/
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Mammal Image Library Catalog ... Family ABROCOMIDAE - Chinchilla rats ... Family AGOUTIDAE - Pacas...
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www.mammalogy.org/mil_images/MSLRodentia.htm
www.mammalogy.org/mil_images/MSLRodentia.htm
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