Fact 1: Dogs are considered to be direct progenies of wolves. Dogs do not have a sense of color vision as do humans. Dogs cannot distinguish colors clearly, though they might identify slight differences in color.
Fact 2: There are certain breeds of dog which can smell a million times greater than the extent humans can smell.
Fact 3: The sound that has originated about 250 yards away can be heard by dogs, which is about 100 times greater than the extent humans can hear. Humans can hear sounds that originate approximately 25 yards away.
Fact 4: The gestation period in dogs is approximately 60 days.
Fact 5: Dogs were used in World War II by the Russians to blast the Germans. The Russians used to send the dogs near to the Germans with land mines tied to them.
Fact 6: The normal temperature of the body of a dog is 101.2 degree F. Dogs can live for a period of about 15 to 16 years on an average.
Fact 7: Dogs can see much more clearly than humans can in dim light. Almost all dogs tend to attack livestock as they originated from wolves and possess their characteristics.
Fact 8: A puppy will not open its eyes for about 10 to 15 days after birth. The puppy will not be able to see properly until it has reached four weeks of age.
Fact 9: Puppies cannot see, hear, and smell after they are born for a few days. As the dogs have originated from wolves, they have the natural instinct of following the leader. The dogs usually follow the commands of the owner.
Fact 10: The noses of dogs not only help them to smell but also help them to keep their bodies cool by releasing heat from the pores present inside the nose.
Fact 11: Dogs can sense time exactly, though they do not look at a watch.