Sunday, February 7, 2010

What is the difference between mammals and rodents?

I wish to know the distiction between mammals and rodents and also their types.What is the difference between mammals and rodents?
All animals that have mammary glands to produce and feed their young ones with MILK are mammals. So Rodents like rats,mice and bandicoots are all mammals.BUT all mammals are not rodents. Lions and Elephants ARE mammals but they are NOT rodents.All human beings are mammals.But are they rodents? The last example will clear any doubt in your mind.


Rodents have their own peculiarities, which set them apart from other mammals.


They have burrowing habits, the front teeth or the incisors are longer than the others, sharp and pointed. They continue to grow for long. Therefore. The animal must constantly 鈥楪NAW鈥?at something to keep them trim and sharp.


Besides the examples quoted above; the others in the category of rodents are rabbits, hares, squirrels and otters. They all come under class- Mammalia and order-Rodentia.What is the difference between mammals and rodents?
OMG. Not all rodents burrow (tell a capybara to dig a burrow!!), and rabbits and hares are NOT rodents,they're LAGOMORPHS.


I said it, canislupus said it.


Oh well.

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Just to reiterate, rabbits and hares are lagomorphs not rodents, and otters are mustellid carnivores, also not rodents.

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Oh, I had missed the ';otters'; part. Desert Rat, I feel your pain %26gt;:-(

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Mammals are all the vertebrates that possess hair, feed their young with milk, and have a single bone in the lower jaw. There are many other exclusive characteristics of mammals, but with just those you can identify any mammal.


The members of Class Mammalia are classified into smaller groups of lower category. Order Rodentia is one of those groups; it is in fact the largest (over 40% of all mammals are Rodents). All rodents have a single pair of enlarged incisors with enamel only on the front side (that's why those teeth are chisel-like; they also grow permanently as they are worn from gnawing). They don't have canine teeth and their premolars (if they have them) and molars are usually lophodont (the surface of the tooth has parallel ridges). Most rodents (in terms of n潞 of species) are small animals such as rats, voles, and mice, but there are other very different, such as the South American capybara, aquatic and large as a pig, or the African porcupine.


There are two major groups of Rodents (grouped mainly on the basis of the morphology of the skull and the jaw muscles):


Sciurognathi: rats, voles, mice, gerbils; also pocket gophers, squirrels, beavers. Usually smaller. They're cosmopolite.


Hystricognathi: mostly larger rodents, including Guinea pigs, capybara, porcupines, pacas, but also spiny rats and other smaller species. From Africa and South America.





Rabbits and hares are NOT rodents.
Rodents are mammals, so there is no difference! Jeesh!
Mammals are an Order within Class Mammalia, they have hair like other mammals ,they have mamary glands which produce milk for their young and there endothermic (warm blooded). Rodents have a pair of incisors on the upper and lower jaw,with a large gap between the incisors and molars-the diastema (characteristic of rodents caused by lack of canines)


Maverick says Rabbits and Hares are rodents, they are not they are Lagomorphs (which include pikkas aswell).


Otters are not rodents either they are Mustelids from the weasel family . Not all rodents have burrowing habits, squirrelks!
rodent is in the mammal order. rodent is mamals that cannot use their fingers
Rodent are mammals.

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