1) A puppy is born sightless, deaf, and toothless.
2) If a dog suddenly pricks up its ears and becomes alert for no apparent reason, he might have detected bat or rodent sounds that are not heard by us.
3) The dog's genitourinary tract will not function without the stimulation that comes from frequent licking.
4) Dogs often hesitate before going out in the rain. It's not because they're afraid of getting wet, but because the rain amplifies sound and hurts their sensitive ears.
5) Dog’s have unique nose prints used also to identify them. They have lines forming patterns just like we do in our fingers. This proof of dog identity has been accepted by the Canadian Kennel Club since 1938.
6) A dog's nose works 1 million times more efficiently than the human nose.
7) A person standing still 300 yards away is almost invisible to a dog. But a dog can easily identify its owner standing a mile away if the owner is waving his arms.
8) Dogs only have sweat glands on their feet, dogs cannot lose heat rapidly by perspiring from head to toe like people do. Instead the dogs sweat by panting, which removes body heat by evaporation from the surface of the tongue. Dogs also pant when they are nervous or excited.
9) lovingly handled dog is a healthier dog. The touch of the human hand improves the functions of virtually all the sustaining systems: respiratory, circulatory, digestive and so on.
10) Barking dogs is often an alarm. Its purpose is to let people as well as other dogs know that something, whether that be an approaching intruder or a stray, is trying to protect his territory.
11) In the wild, barking dogs tells puppies to take cover and hide, and also alerts the other dogs in the pack to assemble for action. An out and out attack by a dog however, is silent. Dogs also bark when they are bored, anxious or excited. Sometimes the reason could be if they are hot, cold or hungry.
12) If you love dogs, but hate the sound of barking, a possible solution is a basenji dog from the Congo, This dog is a breed of dog that does not bark, but instead make a yodel-like sound.
13) In Russia, a team of doctors and scientists conducted 1,278 telepathic experiments with dogs, of which 696 were successful. Most of the experiments involved testing the dog's ability to read unspoken commands. The research team concluded that some ESP factor must be at work.
14) The relationship between man and his dog is a special one. It is no wonder, then that more and more healthcare practitioners are recommending that their patients adopt a dog to help them through periods of illness. There are many instances on record that describes how the companionship of a loyal, loving pet has helped ailing people to get better.
15) A scared dog puts his tail between his legs because it cuts off the sent glands in its anal region, a very vulnerable part of the anatomy. Since the anal glands carry personal scents that identify the individual dogs, the tail between the legs action is the dogs equivalent of insecure humans hiding their faces.
16) Dogs love to chew on bones. It strengthens and cleans their teeth. But never give your dog poultry bones. They are soft and could be swallowed whole and splinter inside the dog's stomach.
17) When they urinate against a tree or a wall they’re marking the territory and saying to other dogs “ Hey, I am the leader here, and I’m this tall, so don’t mess with me”. They always try to aim higher to appear bigger to other dogs.
18) Dogs like sweets a lot more than cats do. While cats have around only 473 taste buds, dogs have about 1,700 taste buds. Humans have approximately 9,000.
19) Dogs and humans have been living side-by-side for about 15,000 years
20) If you have cancer, diabetes, or epilepsy, your dog might be the first to know. Studies have shown that dogs can be trained to sniff out cancers of the lung, breast, skin, bladder and prostate.
21) Border collies are the top dogs in the intelligence category, with some in the breed capable of understanding up to 200 words.
22) dogs saw other dogs getting treats for a trick they'd been performing unrewarded, the unrewarded dogs became agitated, scratching themselves and avoiding the gaze of the rewarded dogs. They also stopped doing the trick much faster than if they were alone and not getting a reward.
23) Dogs have three eyelids. The third lid, called a nictitating membrane or “haw,” keeps the eye lubricated and protected.
24) The first dogs were self-domesticated wolves which, at least 12,000 years ago, became attracted to the first cities of permanent human habitation.
25) A person should never kick a dog facing him or her. Some dogs can bite 10 times before a human can respond.