Dogs Can't Tell the Difference Between Different Colors
This is due to the presence of two of the three necessary light receptor types in the canine retina.
When dogs are ill, they need grass. Some dogs, it's true, will eat grass if they're feeling queasy.
According to Ochoa, this is because eating grass makes them sick. However, many other dogs like munching on grass for a number of reasons.
The Myth That Any Dog With a Wagging Tail Is Friendly
The Myth That a Dog's Year Is Equal to Seven Human Years