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The Intelligence of Rats.
Some remarkable ill.u.s.trations of the intelligence of rats have been recorded from time to time. The following which occurred recently seems to show both thought and reason. A Burley rat found a dead hen in a field, one evening, and departed to inform his brethren of the discovery, when a gentleman, who afterwards reported the incident to the Leeds _Evening Post_--removed the prize, which the speedy return of half-a-dozen rats was too late to secure. The first rat plainly evinced his disappointment, but his friends suspected him of hoaxing them, turned upon him suddenly, and in a few moments he was as dead as the chicken which had disappeared, and was left lying on almost the same spot which it had occupied. Captain Brown tells the following story of the ingenuity of the rat in self-preservation. "During the great flood of September, the 4th, 1829, when the river Tyne was at its height, a number of people were a.s.sembled on its margin. A swan at last appeared, having a black spot on its plumage, which the spectators were surprised to find, on a nearer approach, was a live rat. It is probable it had been borne from its domicile on some hay rick, and, observing the swan, had made for it as an ark of safety. When the swan reached the land, the rat leapt from its back, and scampered away."
Saved by a Rat.
Perhaps no better example of the intelligence of the rat could be given than that afforded by the incident quoted by Jesse from Mr. Ferryman.
Mr. Ferryman records that he had an old friend, a clergyman, of retired and studious habits. When sitting in his room one day, he saw an English rat come out of a hole at the bottom of the wainscot; and threw it a piece of bread. In process of time, he so familiarised the animal, that it became perfectly tame, ran about him, was his constant companion, and appeared much attached to him. He was in the habit of reading in bed at night; and was on one occasion awoke by feeling a sharp bite on his cheek, when he discovered the curtains of his bed to be on fire. He made his escape, but his house was burnt down, and he saw no more of his rat.
He was, however, convinced, and remained so for the rest of his life, that his old companion had saved him from being burnt to death, by biting his cheek; and thus making him aware of his danger.
The Mouse.
The mouse is a much more popular animal than the rat, though taking its size and numbers into account it is scarcely less destructive. No one weeps when the rat suffers capital punishment, but many a tear has been shed over a "dear little mouse". The house mouse is too well known to need description. Like rats, mice appear to act in companies, either under leadership or by common consent. Mrs. Bowdich describes a number of mice which she observed during an illness frequently emerge from her bed-room closet and gravely form themselves into a circle and apparently hold a council. That they frequently combine to effect purposes which they are unable to accomplish singly is well known. Mrs. Bowdich describes an attempt made by a combined force of mice to get possession of the dainties provided for her as she approached convalescence. These were placed under tin covers upon a chest of drawers, and the mice were evidently of opinion that if they could only climb to the top of these covers they would find them open like a basin, and so effect an entry.
Unable to gain a footing on the smooth metal sides, "they mounted upon each other's shoulders and so accomplished the feat", though like arctic explorers they failed to find an open sea and were compelled to return with disappointment. An organised attempt to remove a cover from the bottom, when, on one occasion, it had not been firmly set down, resulted in an accident similar to those incident to human engineering, for the cover slipped and many tiny hands were severely pinched. After this they abandoned their attempts though a single mouse would occasionally reconnoitre the scene, apparently unsatisfied with the defeat. Mice, like many other animals, are said to be much affected by music.
The Harvest Mouse.
The harvest mouse is a most interesting little creature; whose habits are thus described by White of Selborne:--"They build their nest amidst the straws of the corn above the ground, and sometimes in thistles. They breed as many as eight at a litter, in a little round nest composed of the blades of gra.s.s or wheat. One of these I procured this autumn, most artificially plaited, and composed of the blades of wheat, perfectly round, and about the size of a cricket ball, with the aperture so ingeniously closed that there is no discovering to what part it belonged. It was so compact and well filled that it would roll across the table without being discomposed, though it contained eight little mice that were naked and blind. As this nest was perfectly full, how could the dam come at her litter respectively so as to administer a teat to each? Perhaps she opens different places for that purpose, adjusting them again when the business is over; but she could not possibly be contained, herself, in the ball with her young, which moreover would be daily increasing in bulk. This procreant cradle--an elegant instance of the efforts of instinct--was found in a wheat field, suspended in the head of a thistle."
The Field Mouse.
There are two kinds of field mice, the long-tailed and the short-tailed varieties. The long-tailed field mouse is the mouse immortalised by Burns, and is found throughout Europe. The short-tailed variety occupies much the same geographical area, though it probably extends further. The latter are very destructive, and have sometimes increased to such an extent, that organised efforts have had to be made to exterminate it.
The Dormouse.
The common dormouse, and the greater dormouse are the princ.i.p.al varieties of this interesting little animal. They resemble the squirrel in appearance as well as in some of their habits. They live in trees, where they construct nests, on nuts, acorns, fruits, insects, birds and eggs, and squirrel-like rest upon their hindquarters when eating, holding their food between their forepaws. They lay up store for the winter and become torpid in the cold weather, rolling themselves into a ball, in which condition they may be handled without disturbance or injury. The common dormouse is found all over Europe, the greater dormouse occupying a still more extended area.
The Jerboa.
The Jerboa is a curious, little animal with the body of a mouse and hind legs which resemble those of the kangaroo in appearance. There are several varieties, one belonging to Southern Russia, one to the deserts of Egypt, Nubia, Arabia, Barbary and Tartary, and one to North America.
They live in burrows which they construct with great care and industry.
They are naturally timid and make for their holes on the slightest disturbance, leaping kangaroo fashion sometimes as high as five feet, and so swiftly as to be very difficult of capture. They have very long tails.
The Beaver.
There are two species of the beaver, the European beaver, and the American beaver. The former is most numerous in Siberia, Tartary, and the Caucasus but is also occasionally found in Central Europe. The American beaver is found throughout North America where it is eagerly hunted for the sake of its fur.
The European Beaver.
The following anonymous paragraph cut from a newspaper, but likely enough quoted from some standard Natural History, perhaps that of Messrs. Ca.s.sell and Co., throws some light upon the present condition of the European beaver.
"There are still some naturalists who a.s.sert that the beaver has ceased to exist in France. This, however, is a mistake; an animal of that species was caught a short time ago in the Herault, and is now being exhibited at Montpelier. Beavers do not live in Europe in large companies or herds as they do in America, but only in solitude, and in this state they haunt secondary rivers, such as the Gard and the Gardon.
There are a few on the banks and islands of the Rhone, but as these creatures are averse to noise, the splashing of the steamers plying to and fro has driven most of them away. They give a decided preference to such streams as are overshadowed by the willow, of the bark of which they are exceedingly fond. The beaver is also to be found as far north as the Saone, in those valleys where there is peat-ground. It lives in Spain, in Italy, and in Greece, but always solitary and fugitive. This curious animal is not only called _Castor America.n.u.s_, but also _Castor Gallicus_, and not without reason, since the fossil remains of the genus are sufficient to attest their having been very numerous in France at some remote period. The little stream of the Bievre derives its name from its having been the habitat of these creatures; its resemblance to the English name beaver need hardly be alluded to. In Europe this amphibious animal does not build those substantial and commodious dwellings which have rendered it so celebrated, because the rapacity and spirit of destruction so common in man have made it suspicious and cautious."
The American Beaver.
Writing of the American Beaver Dr. G.o.dman says:--"Beavers are not particular in the site they select for the establishment of their dwellings, but if in a lake or pond, where a dam is not required, they are careful to build where the water is sufficiently deep. In standing waters, however, they have not the advantage afforded by a current for the transportation of their supplies of wood, which, when they build on a running stream, is always cut higher up than the place of their residence, and floated down. The materials used for the construction of their dams are the trunks and branches of small birch, mulberry, willow, and poplar trees. They begin to cut down their timber for building early in the summer, but their edifices are not commenced until about the middle or latter part of August, and are not completed until the beginning of the cold season. The strength of their teeth, and their perseverance in this work, may be fairly estimated by the size of the trees they cut down. Dr. Best informs us, that he has seen a mulberry tree, eight inches in diameter, which had been gnawed down by the beaver. The figure of the dam varies according to circ.u.mstances. Should the current be very gentle, the dam is carried nearly straight across; but when the stream is swiftly flowing, it is uniformly made with a considerable curve, having the convex part opposed to the current. Along with the trunks and branches of trees they intermingle mud and stones, to give greater security; and when dams have been long undisturbed and frequently repaired, they acquire great solidity, and their power of resisting the pressure of water and ice is greatly increased by the trees occasionally taking root, and eventually growing up into something of a regular hedge.
"The dwellings of the beaver are formed of the same materials as their dams, and are very rude, though strong, and adapted in size to the number of their inhabitants. These are seldom more than four old and six or eight young ones. Double that number have been occasionally found in one of the lodges, though this is by no means a very common circ.u.mstance. When building their houses, they place most of the wood crosswise, and nearly horizontally, observing no other order than that of leaving a cavity in the middle. Branches which project inward are cut off with their teeth, and thrown among the rest. The houses are by no means built of sticks first and then plastered, but all the materials, sticks, mud, and stones, if the latter can be procured, are mixed up together, and this composition is employed from the foundation to the summit. The mud is obtained from the adjacent banks or bottom of the stream or pond near the door of the hut. Mud and stones the beaver always carries by holding them between his fore paws and throat.
"Their work is all performed at night, and with much expedition. As soon as any part of the material is placed where it is intended to remain, they turn round and give it a smart blow with the tail. The same sort of blow is struck by them upon the surface of the water when they are in the act of diving. The outside of the hut is covered or plastered with mud late in the autumn, and after frost has begun to appear. By freezing it soon becomes almost as hard as stone, and effectually excludes their great enemy, the wolverine, during the winter."
The Squirrel.
The family of the Squirrel is a very large one and with it are included the marmots, the prairie dogs, and the anomalures, the latter of which form a sub-family. The common squirrel, the variety familiar in England, is a pretty little creature with its bright piercing eyes, and knowing look, and its graceful bushy tail. It is one of the most agile of animals, ascending and descending trees with the rapidity of a flash and so sensitive, that it is said that if the tree upon which its nests is only touched at the bottom it takes alarm and seeks safety on another tree. It builds its nests in the forks of branches of trees,--of moss, twigs, and dried leaves,--and leaps great distances from tree to tree.
The ground squirrel is characterised by fine longitudinal black bands on its back, which form a very pretty marking. It belongs chiefly to North America. "It lives in villages under ground," says an American writer, "and plunders the farmers worse than the gopher. Every two months the ground squirrel breeds and neither State premiums nor strychnine diminishes its numbers. It levies an a.s.sessment of thirty per cent. on the profits of a wheat crop in many sections."
The flying squirrel, also common in the United States, has a membranous skin which extends from the fore limbs along the body to the hind limbs by which its body is buoyed up as it descends obliquely through the air from the tree to the ground, the tail operating as a rudder. One species of the flying squirrel is found in Europe and several in India.
The Squirrel at Home.
Mr. Head gives a graphic description of his experiences with a squirrel in the Canadian woods. He says:--"I was waiting the approach of a large flock of wild fowl, but a little villain of a squirrel on the bough of a tree close to me, seemed to have determined that even now I should not rest in quiet, for he sputtered and chattered with so much vehemence, that he attracted the attention of my dog, whom I could scarcely control. The vagrant inattention of my dog was truly mortifying; he kept his eyes fixed upon the squirrel, now so noisy as to be quite intolerable. With my hand, I made a motion to threaten him, but the little beast actually set up his back, and defied me, becoming even more pa.s.sionate and noisy than before, till all of a sudden, as if absolutely on purpose to alarm the game, down he let himself drop, plump at once within a couple of yards of Rover's nose. This was too much for any four-footed animal to bear, so he gave a bounce and sprang at the impertinent squirrel, who, in one second, was safe out of his reach, c.o.c.king his tail, and showing his teeth on the identical bough where he had sat before. Away flew all the wild fowl, and my sport was completely marred. My gun went involuntarily to my shoulder to shoot the squirrel.
At the same moment, I felt I was about to commit an act of sheer revenge, on a little courageous animal which deserved a better fate. As if aware of my hesitation, he nodded his head with rage, and stamped his fore paws on the tree: while in his chirruping, there was an intonation of sound, which seemed addressed to an enemy for whom he had an utter contempt. What business, I could fancy he said, had I there, trespa.s.sing on his domain, and frightening his wife and little family, for whom he was ready to lay down his life? There he would sit in spite of me, and make my ears ring with the sound of his war whoop, till the spring of life should cease to bubble in his little heart."
Tame Squirrels.
Captain Brown tells of a gentleman who had a tame squirrel, who used to run up his legs and enter his pocket when he saw him preparing to go out. From this safe retreat the squirrel often poked his head and peeped at the people as they pa.s.sed, but never ventured to emerge until the crowded thoroughfares were pa.s.sed. When they reached the outskirts of the city, however, the squirrel leaped to the ground, ran along the road, ascended trees and hedges, with the quickness of lightning, and nibbled at the leaves and bark. If the gentleman walked on, it would descend, scamper after him, and again enter his pocket. On hearing a carriage or cart, it became much alarmed, and always hid itself till it had pa.s.sed by. This gentleman had a dog, between which and the squirrel a certain enmity existed. Whenever the dog lay asleep, the squirrel would show its teasing disposition, by rapidly descending from its box, scampering over the dog's body, and quickly mounting to its box again.
Another squirrel who frequented his master's pocket, on one occasion rendered important service. One evening, as was his practice, when his master's coat was taken off and hung behind a door, the squirrel ran up the door and took up his quarters in the familiar pocket, carrying with him a supply of tow with which to make himself comfortable for the night. After all the family had retired to rest, a burglar made his appearance, effected an entrance, and proceeded to examine the pockets of the coat hanging to the door. Putting his hand rather unceremoniously into the squirrel's bedroom the robber received such a sharp and unexpected bite that he could not forbear to cry out and the master of the house, aroused by the unusual sound, entered the room, armed with a poker, just in time to secure the thief as he was escaping through the window.
The Marmot. The Bobak. The Prairie Dog.
Marmots are found in the northern parts of both the old and the new worlds. The Bobak belongs to southern Russia, the Prairie Dog to North America and the Woodchuck to Canada.
The marmot is easily tamed and is familiar to many from being made the companion of itinerant Savoyards who exhibit them when asking alms. The Bobak is also readily amenable to kindness. All these animals live in burrows and are exceedingly interesting in their habits. The anomalure is a squirrel with a membranous skin resembling to some extent that of the flying squirrels and used by it for the same purpose. It belongs to Fernando Po.
The Chinchilla.
The Chinchilla is about nine inches long, its tail being about five inches. Its eyes are full, like those of the rabbit, its hind legs are long, its fore ones short. It sits upon its haunches, and takes its food in its fore paws. It is found in Chili and Peru, and inhabits the open country, living in burrows, and subsisting on the roots of bulbous plants, which are abundant in those regions. Great numbers of them are killed for their skins, which furnish the most delicate and beautiful of furs. The Alpine Viscacha and the Viscacha of the Pampas, are included in the same family.
The Porcupine.
The Porcupine is found throughout Africa and southern Asia and also in the south of Europe. "Less completely covered with weapons of defence than the hedgehog," says Captain Brown, "the porcupine possesses them in greater strength, for its formidable quills are capable of inflicting severe wounds. When irritated or in danger it raises its quills on its back; but it is though fretful, not fierce in disposition but easily tamed." When cornered the porcupine turns its back to its a.s.sailant, who usually wounds himself by coming in contact with the quills. The porcupine lives in burrows by itself; it is a lonely animal. The Cavies and the Agouti of America are cla.s.sified with this family. Among the former is the Capybara, the largest of the rodents, an animal which attains to from three to four feet in length. It belongs to Brazil, Guinea, and Paraguay. The Canadian porcupine, and the Brazilian porcupine, are tree porcupines and are only found in America.