Why Do Dogs Wag Their Tails?

What did Taylor Hersh notice about wolves in a YouTube video?

• They were very friendly.

• They barked a lot.

• They hardly wagged their tails.

• They wagged their tails frequently.

What is the main idea of the article?

• Dogs wag their tails to scare away predators.

• Wolves and dogs have the same tail-wagging behavior.

• Humans may have unconsciously selected dogs that wag their tails because it made them happy.

• Dogs wag their tails to communicate with other dogs.

What did the researchers find about dogs' tail-wagging?

• It is a sign of aggression.

• It is a learned behavior from wolves.

• It is a trait selected by humans because it made them happy.

• It is a way to cool down their bodies.

What did previous studies find about rhythms?

• They are only found in music.

• They have no effect on humans.

• They make people feel sad.

• They trigger brain activity that helps make people feel joyful.

What did the study about domesticated silver foxes find?

• Foxes selected for tameness wagged their tails more often.

• Foxes never wagged their tails.

• Foxes wagged their tails to scare away predators.

• Foxes wagged their tails to find food.

What do researchers hope to examine in future studies?

• Dogs' ability to learn tricks.

• Dogs' brains, heart rates, and other vitals while wagging their tails.

• Dogs' hunting behaviors.

• Dogs' sleeping patterns.

What does the direction of a dog's tail tell us?

• The breed of the dog.

• What the dog is trying to tell us or how it is feeling.

• How fast the dog can run.

• The age of the dog.

What did the researchers suggest about the rhythmic nature of tail-wagging?

• It is a recent development in dogs.

• It is only found in wild animals.

• It has no effect on humans.

• It might have made humans feel joyful, leading them to select dogs with this trait.