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By reason of its larger Post Date: Fri, 15 Aug 2008 1:09:14 +0000 Apart from insects and their larvae, small fish form its principal nutriment. Judging from its dentition, the hedgehog appears to live principally on insects and small vertebrates. By reason of its larger size, its short burrowing snout and its prickly armour, it is not fitted for an underground existence like its relatives the rnole and the shrew; but is able, by the help of its snout and its strongly-clawed toes, to dig after mice, to rummage among the leaves after insects, worms and snails, and to build an inar- tistic dwelling in the earth under thick bushes. Autor of the post: Undefined Its life being passed above Post Date: Fri, 15 Aug 2008 0:57:19 +0000 This animal deserves our protection, being a zealous destroyer of mice and vipers, the sting of which has for it no more serious consequences than a pin-prick has for us. Still, on occasions it gives offence by seizing a young bird from its nest near the ground, or perhaps a young chick from the poultry-yard, or even by taking toll from the windfalls of our orchards. Its life being passed above ground, its eyes are also much larger than those of its two near relatives, and the ears cannot be closed. Autor of the post: Undefined Indeed, this plump, awkward creature Post Date: Fri, 15 Aug 2008 0:42:30 +0000 It has neither great bodily strength for defending itself against its enemies, nor is it able to evade them by rapid flight. Consequently it is timid, and afraid of the light, generally passing the day concealed in its hole. Indeed, this plump, awkward creature would long since have disappeared from the face of the earth if it did not possess excellent means of protection in its earth- coloured coat and the prickly armour which covers the upper portion of its body. Autor of the post: Undefined The prickly skin Post Date: Fri, 15 Aug 2008 0:26:40 +0000 On the approach of danger, it rapidly rolls itself together into a ball ; the head, legs and under side of the body, which are without spines, are enclosed within the spiny skin of the back, and the animal now presents a thousand small spears towards its would-be assailants. This peculiar action is due to the presence of a muscular ring, which when the animal is in its extended state lies flat over the back, but in the act of " rolling up " is pushed downwards, as it were, " below the equator " of the animal's body. The prickly skin of the back, being connected with this muscular coat, shares in its displacement, and in this way completely covers over the unprotected parts of the body. Autor of the post: Undefined Dogs and foxes only come Post Date: Fri, 15 Aug 2008 0:07:29 +0000 By means of this action the spines, which are really nothing but specially strong hairs, are at the same time erected. These spines now no longer all lie in one particular direction, but point pro- miscuously in all directions, so that they can no longer be depressed by an attacking party. Dogs and foxes only come off from the attack with a bleeding snout, but the horned owl is not so easily terrified. Autor of the post: Undefined In such an emergency, it Post Date: Thu, 14 Aug 2008 23:52:23 +0000 With its long, sharp claws and powerful beak, it actually penetrates, with- out fear of injury, the armour of spines, and kills the hedgehog. The spiny armour is a further protection to the animal, when it happens to fall from a high wall or cliff, a danger to which a creature of its awkward gait is not infrequently exposed. In such an emergency, it quickly rolls itself up, and the spines break the force of its fall by their elasticity. Autor of the post: Undefined Dentition : A pair Post Date: Thu, 14 Aug 2008 23:36:30 +0000 Lastly, the prickly coat serves as a comfortable means of transport, for by rolling about on the ground the animal impales on its spines such objects as leaves, moss, etc, and in this manner conveys them to its winter home. Here, rolled up (as a means of preservation of body-heat ; see badger), and well fed (see bat), it sleeps through the cold, barren season of the year. Dentition : A pair of rootless incisors in each jaw, the anterior surfaces of which only are covered with enamel ; in the hare family alone there is a second smaller pair of incisors in the upper jaw. Autor of the post: Undefined Toes usually five Post Date: Thu, 14 Aug 2008 23:16:40 +0000 The molars have transverse ridges coated with enamel, and are separated from the incisors by a wide gap. Canine teeth absent. Toes usually five on each foot, provided with claws. Autor of the post: Undefined 2 In these performances it Post Date: Thu, 14 Aug 2008 22:56:43 +0000 1 The squirrel is an agile jumper by reason of its long and powerful hind-legs and its supple body (see cat). It can cover in one leap a distance of as much as 13 to 16 feet, and can spring not only from branch to branch, but even from the crown of one tree to that of another. 2 In these performances it is materially assisted by the structure of its feet, the toes (five on the hind-feet, and four on the fore-feet) being long, and not united with each other, but free (like the fingers of our hand). Autor of the post: Undefined 3 In leaping, the tail Post Date: Thu, 14 Aug 2008 22:45:22 +0000 Consequently it can with ease and safety hold fast to the boughs of trees and grasp thin branches. Even in the swaying crowns of the trees or at the ends of branches, still vibrating from the force of its leap, the squirrel maintains as firm a hold as man on the level ground. 3 In leaping, the tail, which is almost as long as the body, and covered with a double row of hairs, forms an excellent rudder. 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