I do not mean to say that, for instance, the present Marsupials of Australia or Edentata and rodents of S.
Evolution and Relationship of the Heteromyid Rodents with New Forms from the Tertiary of Western North America.
The complete confirmation of Wood's (1939) statement that the "sciuromorph" zygomasseteric structure had been developed by this time in the heteromyid rodents as it had been in the early Eomyids is demonstrated in this specimen.
A pack rat--one of those detested rodents known so well to all northern peoples--had carried off in her absence two of the three remaining sticks of jerked caribou.
It was not an uncommon thing for the creatures of the wood--usually the lesser people such as rodents and the small hunters--to crowd close to the edge of the glade and try to puzzle out this ruddy mystery in its center.
For the rodents and the digging people--even for the mighty grizzly himself--the season means nothing but the cold and the darkness of their underground lairs.
They may think him toothless, Those red Turkish rodents who once felt his fangs.
Technically speaking, since the black bear preys on ground squirrels, mice and other small rodents it should be classed as a predator.
Food habits of the various types of rodents differ to a great degree.
About half way between the gray fox and gray wolf in size, the coyote is large enough to subdue the big hares, yet nimble enough to catch the smaller rodents which make up a large part of its animal diet.
Most rodents which lay on coats of fat preparatory to hibernation depend almost entirely on it to carry them through.
As a rule rodents are small animals; the largest to be found in the uplands of the Southwest are the beaver and the porcupine.
This is also an area of rock slides, and the marten loves to hunt the small rodents which make their homes there.
Since most of the predators are active all winter, while many of the rodents are in hibernation, this can be a period of famine for carnivores.
The jumping mice are among the most specialized small rodentsin the United States.
In spite of their secretive habits, rodentssuffer a tremendous mortality.
It may be that more than ordinary control is called for in the case of their host species, rodents in most cases.
This situation is not as harsh as it might seem, for most rodents are prolific to a high degree.
Illustration: northern pocket gopher] The northern pocket gopher is one of the hardiest rodents on the North American Continent.
These big rodents are courageous and able adversaries against any animal up to several times their size.
Worms and scorpions as well as small rodents are not refused.
On the talus slopes beneath the windows a great number of these rodents take up summer quarters, depending for food on the largesse distributed by visitors as they eat their picnic lunches on the broad ledges of the windows.
Probably other species of rodents are responsible for some or all of such damage since other kinds of rodents were taken in the same areas.
It and Liomys irroratus are the two rodents most easily trapped throughout the state.
Possibly only the relatively large rodents are able to compete successfully with the crabs.
In connection with the spread of plague these three small rodents are of prime importance; and not less important are the fleas which are parasitic on them.
Small mammals generally, including bats, are good hosts; Rodents and Insectivora afford usually the most fruitful captures.
The various forms of rat-flea which are important in carrying plague from rodents to the human race are dealt with later on.
Probably more different species of fleas have been collected from Insectivora and Rodents than from all the other orders of mammals grouped together.
It has also been found onRodents (Gerbillus) and on Insectivora (Erinaceus).
The largest known flea (Dolichopsyllus stylosus) is found on small rodents in the United States where, as we know, all things are on a bigger scale than in the Old World.
Whether the plague is primarily a disease of rats would be difficult to say; but rats and other rodents are very susceptible to it.
Chief among the animals that are useful in destroying these rodents are the fox, skunk, and weasel, and the larger species of owls and hawks.
Its action on rodents is slow, but reasonably sure, and has the further advantage that the animals before dying, if exit be possible, usually leave the premises in search of water.
Rodents are numerous, the mouse (Mus sylvaticus) is very destructive, and beavers are met with in places.
They are remarkable as being the only rodents found in Australia.
Among therodents the hamster and the field-mouse are a scourge to agriculture.
Another Rat habit may be noticed where the Rodents are accustomed to have their holes and runs among flags and stones.
In the order of Rodents squirrels are very numerous and porcupines of two genera are met with.
The Rodents are also well represented by various squirrels, mice, and hares.
Austin Experimental Forest near Nacogdoches, Texas, many cottonmouths journey daily to and from a swamp and a dry field, evidently to feed on rodentsinhabiting the area.
One of several North American burrowingrodents of the genera Geomys and Thomomys, of the family Geomyidæ; -- called also pocket gopher and pouched rat.
Old World rodents of the genera Spalax, Georychus, and several allied genera.
Defn: Pertaining to a family of rodents (Muridæ), of which the mouse is the type.
Defn: Any one of numerous species of small rodents belonging to the genus Mus and various related genera of the family Muridæ.
Defn: Any species of large West Indian rodents of the genus Capromys, or Utia.
Defn: A tribe of rodents containing the squirrels and allied animals, such as the gophers, woodchucks, beavers, and others.
Defn: Any one of numerous species of micelike rodents belonging to Arvicola and allied genera of the subfamily Arvicolinæ.
Defn: Any one of several species of rodents of the genus Lagomys, resembling small tailless rabbits.
Defn: An extensive group of rodents which includes the rats, mice, jerboas, and many allied forms.
American rodentsof the genera Geomys, and Thomomys, family Geomydæ.
Defn: Any one of a tribe (Sigmodontes) of rodents which includes all the indigenous rats and mice of America.
Rodents trapped by me were variously prepared as study skins with skulls, as flat skins with skulls, as skeletons, as skulls only, or as alcoholics.
Water requirements of certain rodents from xeric and mesic habitats.
Cricetine rodents chew plant and animal foods thoroughly; contents of their stomachs appear as finely-particulate fragments.
This vegetational association may have few rodents because there is a shortage of places where they can hide.
Both hawks and owls probably prey upon Peromyscus in Mesa Verde, for they are well-known predators upon mice and small rodents in other areas.
At this time, home ranges of small rodents can not be measured with great precision, therefore any such calculations are, at best, only approximations.
At times, in a very frenzy at their confinement the small rodents would bound, all in a white streak, one after the other, over the edge of the box and all over the room.
As the numerous rodentsgrew and began to take notice, they became quite troublesome to the anxious foster-mother, for they were wild little things, uncommonly healthy and uncommonly restless and rather fierce as well.
Besides these there are thirteen Rodents and four Insectivora, including a shrew-mouse and six squirrels, whose unaided passage over twenty miles of sea is even more inconceivable than that of the larger animals.
Ptilodus was in many respects similar to rodents in the development of procumbant incisors and in general build and appearance.
Feeding on the rodents and other smaller mammals were the creodonts and miacids.
During Bridgerian times, the rodents underwent an explosive adaptive radiation which ultimately may have led to the near extinction of the less well-adapted multituberculates.
Two early rodents were found in the Fossil Basin Wasatch Formation: Paramys was relatively unspecialized but was diverse in the number of species.
In many respects, the morphology ofrodents seems to have lent itself to convergence.
The diversity of Bridgerian rodentsfrom Fossil Basin is impressive.
Ancestral rodents and tiny insectivores lived a furtive existence in the brush and mold that carpeted the forest floor, or else they sought a livelihood among the branches of trees.
Multituberculates are, however, not related to rodents except that both are mammals.
There is conceivable relationship between the rodentsand Plesiadapsis-like primates.
The differentiation of rodents in the late Paleocene and their diversification during the Eocene probably presented strong competition for the multituberculates who were unable to compete successfully and so became extinct.
These small hunters get most of their living from a large population of rabbits and small rodents such as ground squirrels and wood rats.
It is conjectured that these first-floor cells were designed in this fashion to serve as storage places for foodstuffs, more secure from rodents by reason of having only one opening in the roof.
The turkeys are also very fond of the purple berries of the juniper, as are many other birds and virtually all of the small rodents of the locality.
The droppings of chipmunks and other rodents show that these commensals were numerous, and their presence made necessary the building of storage rooms in such manner that they would be proof against the ravages of such animals.
These birds are darker in color than the Red-shouldered Hawk of the East, and in their habits very much resemble the Red-tail; for food they prefer the large variety of small rodents and rarely disturb poultry or birds.
Their food is mostly rodents secured on the prairies.
They live largely on the small rodents and birds which they secure during the daytime.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "rodents" in a variety of sentences. We hope that you will now be able to make sentences using this word.
