Small quantities of grapes and raisins can cause renal failure in dogs. Chocolate, macadamia nuts, cooked onions, or anything with caffeine can also be harmful.
A dog’s shoulder blades are unattached to the rest of the skeleton to allow greater flexibility for running.
A dog can locate the source of a sound in 1/600 of a second and can hear sounds four times farther away than a human can.
There are an estimated 400 million dogs in the world.