When the leaders tire, the lopers move to the front and keep up the relentless pace. After a long chase, this species is actually able to run down and kill lions, who are now too exhausted to fight. In the water, the dog is an adequate swimmer, employing the paddle stroke named after it. There is great variation, breeds such as the Water Spaniel and Newfoundland have developed webbed toes to improve their efficiency in the water. The dog has the same senses as a human, but they differ markedly in power.
Dogs have an amazing sense of smell.
Although it varies from breed to breed and among individuals in any one breed, their olfactory ability is outstanding and far superior to our own-in fact about one million times better. Dogs are more sensitive than the most advanced of odor-measuring machines, and are used all over the world to search for explosives, drugs, and for lost or dead people. The olfactory center is highly developed in the dog and far larger than in man. The olfactory area in the adult human nose is about sq. There are also many more sensory cells in the dog's olfactory membrane than there are in the human's.