There is no contradiction in the idea that during the earliest human settlements on earth he made friends with some kind of aboriginal representative of our modern dog, and that because of its help in protecting him from wild beasts, and in guarding his sheep and goats, he gave you part of his food, shelter, and grew to trust and care for you. . Perhaps the animal was originally an unusually gentle fox, or a sick wolf driven by its companions from a pack of wild predators in search of a place to hide. One would think that the relationship may have begun in the event that some helpless rains were brought by early hunters to be guarded and nurtured by women and children. Dogs introduced into the home as children's toys will grow up to look after them, and to be considered family members.
In almost every part of the world, traces of the indigenous dog family can be found, the only extracts from the West Indian islands, Madagascar, the eastern islands of the Malaya Archipelago, New Zealand, and the Polynesian islands, where there is no indication that a dog, wolf, or fox was present. In the ancient lands of the East, and often among the first Mongols, the dog remained cruel and neglected for centuries, walking in pockets, lumps and wolf-like structures, as it does today on the streets and under the walls of all Eastern cities. No effort is ever made to entice a person to a relationship or to develop it in a kind way. Until we come to check the records of the advanced civilizations of Assyria and Egypt where we find any different forms of canine form.
The dog was relatively rare in Palestine, and in both the Old and New Testaments it is commonly referred to as the “unclean beast.” Even the common saying of a herd dog in the Book of Job "But now the younger men are scorning me, their fathers whom I did not despise with the dogs" are not insulting, and it is noteworthy that the only biblical reference to a dog as a friend of a well-known both of them went out, and the young man with the dog. ”
The vast majority of different dog breeds and the vast differences in size, points, and general appearance are facts that make it hard to believe that they could have had a single ancestor. One thinks of the difference between the Mastiff and the Japanese Spaniel, the Deerhound and the Pomeranian fashion, St. Bernard and the Miniature Black and Tan Terrier, and he is puzzled as he wonders if they may have come from the same ancestor. Yet the difference is not greater between the Shire horse and the Shetland horse, the Northorn and Kerry cattle, or the Patagonian and Pygmy; and all dog breeders know how easy it is to produce a variety of breeds and sizes with tested experiments.
To properly understand this question it is necessary to first consider who the building is in the wolf and the dog. This structure of the structure may be better studied in comparison with the osseous system, or bones, of two animals, which are so closely related that their variability would not be apparent.
The dog's spine consists of seven vertebrae in the neck, thirteen at the back, seven at the waist, three sacral vertebrae, and twenty to twenty-two tails. In both dogs and wolves there are thirteen pairs of ribs, nine true and four false. Each has forty-two teeth. Both have five front and four toes on the back, while on the outside the common wolf has the appearance of a large, boneless dog, so that a popular description of this may work for another.
And their habits are no different. The wolf's natural voice is a loud howl, but when confined with dogs it will learn to bark. Although he eats meat, he will also eat vegetables, and when he is sick he will eat grass. In the chase, a pack of wolves will split into groups, one following in the footsteps of the quarry, another trying to curb its retreat, using a number of tactics, a trait expressed by many of our sport dogs and wildlife there. hunting in groups.
Another important point of similarity between Canis lupus and Canis familiaris lies in the fact that the gestation period in both species is sixty-three days. There are three to nine lambs in the wolf's waste, and they are blind for twenty-one days. They are breastfed for two months, but at the end of that time they can eat minced meat partly because of their dam or color.
The native dogs of all regions are about the same size, color, shape, and character of the native wolf of those areas. In this very important situation there are too many situations that allow us to be considered a mere coincidence. Sir John Richardson, writing in 1829, noted that “the similarities between the North American wolf and the Indian dogs are so great that the size and strength of the wolf seems to be the only difference.
It has been suggested that one irrefutable argument against a lupine dog relationship is the fact that all domesticated dogs bark, while all wild Canidae express their feelings only through barking. But the difficulty here is not so great as it seems, as we know that foxes, wild dogs, and wolf puppies that grow on the grass easily find this practice. On the other hand, pet dogs are allowed to run and forget to bark, while some have not yet learned to express themselves.
Then the presence or absence of the barking habit cannot be taken as an argument in determining the question of the origin of the dog. This stumbling block disappears, leaving Darwin in agreement, his last view being that it is very possible that the world's domesticated dogs have evolved from two excellent species of wolves (C. lupus and C. latrans), as well as two or three more questionable species of wolves, namely, European forms. Indians, and North Africa; from at least one or two species of South American canine; from several species or species of foxes; and perhaps of one or more extinct species ”; and that the blood of these, in some cases coagulated, flows into the arteries of the domestic species.
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