NHS shares unique facts about dogs

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OMAHA, Neb. (WOWT) - The Nebraska Humane Society wants to share some important knowledge about dogs for potential adopters.

Dogs running on the beach, Photo Date: 2/25/2017 / Photo: Pxhere / CC0 1.0 /(MGN)

Fact 1: Dogs have about 100 different facial expressions. Most of them are made by moving their ears into various positions.

Fact 2: Because dogs' ears swivel, they can move them like radar dishes for optimum hearing. Experiments have shown that dogs can locate the source of a sound in six 100ths of a second.

Fact 3: Dogs have just 10 vocal sounds, while cats have 100.

Fact 4: Dogs do not have an appendix.

Fact 5: There are more than 200 different breeds of dogs.

Fact 6: Dogs are not color blind. They see in shades of blue, yellow, green and gray. The color red registers on a grayscale in a dog's vision.

Fact 7: Most domestic dogs are capable of reaching speeds up to 19 miles per hour when running at full speed. Cats can reach 30 miles per hour.

Fact 8: Dogs have been domesticated for more than 10,000 years. They were one of the first animals domesticated by humans.