Dogs have always been full of wonders, it is just now that we humans have started to notice these interesting things about dogs. Checkout our list of 15 interesting Dog facts and let us know how many you already knew about.

1. Dogs understand more than 250 words

Yes, they can understand more than 250 words, can count to 5 and solve simple addition or subtraction mathematical equations. A Border Collie named Chaser, who is also known as world’s smartest dog, can understand over 1000 words.

2. 4X hearing ability as compared to humans

Dogs have twice as many ear muscles as humans. They can hear 4 times better than us and recognize distant sound that are impossible for human ears to notice.

3. Dogs have 3 eyelids

Their 3rd eyelid is called the nictitating membrane which provides extra protection. This white membrane can be noticed when a dog is sleeping. It may appear as the dog’s eyes have rolled back in its head.

4. Around 30% Dalmatians could be deaf in one ear

Due to a genetic predisposition toward deafness, around 30% of Dalmatians suffer from deafness in one ear.

5. Dog was the first mammal to orbit Earth

A Russian stray dog named Laika orbited Earth in 1957. She was selected to be a part of the crew of the Soviet spacecraft Sputnik 2. The spacecraft was launched into outer space on 3 November 1957.

6. Dog’s pee contain a lot of information

Have you ever seen your dog stopping all over the places and sniffing stuff whenever you take them for a walk? All that sniffing the dog does is to keep track of what’s happening with other dogs in the neighborhood. Dog’s urine contain a lot of information that can be interpreted by other dogs such as sex of the dog, its age, mood etc.

7. Dogs’ sense of smell is 1000 times better than humans

You must have heard that dogs smell better than us. But did you know how better they can smell? They can smell around 1000 times better than us. In fact, they are trained by police professionals and bomb disposal authorities to sniff out explosives, people, drugs etc.

8. They can detect seizures before they happen

Dogs have the ability to detect certain medical issues that induces seizures in humans. They can detect epileptic seizures before they happen and can alert humans beforehand to avoid falls or call for help.

9. Greyhound breed has a top speed of 45 MPH

They are known to be the fastest dog breed on earth. Their speed can reach up to 45 MPH. They are quite widely used in dog racing across the globe.

10. They can detect lies

Yes, they can tell when we are lying to them. Research shows that dogs understand and observe our behavior closely. They can learn not to trust unreliable people and even call out when you are lying to them.

11. They can see in the dark

Due to their extra light reflecting layer behind their retinas, they can see better in the dark as compared to humans.

12. They love to sleep on their owner’s bed

A 2015 survey shows that around 45% of dogs prefer to sleep in their owner’s bed. In fact, people prefer letting dogs on their bed as it helps them sleep better.

13. They can help detect certain cancers

Research has shown that dogs can detect cancer. A recent study has shown that dogs can predict prostate cancer with 98% accuracy.

14. Dogs snore more than cats

You must have noticed it in your dog by now. Studies show that an estimated 21% of dogs snore more as compared to cats.

15. Dogs get grey hair early due to stress

Premature greying of hair in dogs has been found linked to stress. Similar to humans, stress in dogs can trigger premature greying for their coat hair.

So, how many things did you know before about dogs? Share with us in the comments below!