Dogs can smell diseases such as diabetes and cancer.
Dogs can smell about 10.000 times better than humans.
Dogs know when they do not have enough information to solve a problem and actively search for more input.
Dogs have three eyelids.
To drink water, dogs plunge their tongue straight into the water, pull it to the rear and shovel the water into their throat.
The smell in a dog’s urine lets other dogs know if the one who left the message is young or old, male or female, healthy or sick and happy or angry. OR: Dogs sniff each other’s urine to learn more about each other and can gather information from the smell of the urine if the dog is young or old, male or female, healthy or sick, as well as if they are happy or angry.
Dogs can see colors, however, their perception of colour resembles that of a person who is colour blind.
Dogs can estimate the size of another dog by the sound of their growling
Sweat ducts in dogs’ paws are activated when it is too hot and helps to keep their body temperature cool. Because of dogs’ “sweaty feet”, they leave wet footprints.