1
Dogs age seven years per human year: False. Dog aging depends on breed and size. A better estimate is that a dog's first year is 15 human years, the second nine, and each year after that five.
2
Wagging tails indicate friendliness: Wagging tails can suggest contentment, friendliness, worry, fear, or hostility. To comprehend a dog's emotions, evaluate other body language and context.
3
Dogs are color blind: Dogs are not completely color blind. While they may not see colors as vividly as humans do, they can perceive certain colors, especially shades of blue and yellow.
4
Dry nose means sick dog: Dogs with dry noses aren't sick. Weather and activity levels might impact a dog's nose's moisture.
5
Dogs eat grass only when they are sick: Dogs may eat grass for various reasons, including to aid digestion, as a form of self-medication, or simply out of curiosity. It's not solely a behavior related to illness.