Can dogs cry tears

✅ Fact Checked
Updated on January 16, 2023
Michael Colt, Bachelor Computer Science Degree & Computer Engineering.
Written by
Michael Colt, Bachelor Veterinary Medicine & Animal Science.
Ella Williams
Fact Checked by
Ella Williams
Dr. Michael Colt is a highly qualified veterinarian and animal scientist. He has extensive knowledge and experience in the care and treatment of animals, and a deep understanding of the latest scientific research in the field. Dr. Colt is dedicated to promoting the health and well-being of animals, and is committed to providing the highest level of care to his patients. Holds a Bachelors Degree in Veterinary Medicine from Middle Tennessee State University.

Dogs have been around for over 10,000 years and their emotional capabilities have evolved just as much as their physical abilities. One of the things that many people don’t know about can dogs cry tears. In fact, some breeds of dogs are even known for their tears, such as German Shepherds and Golden Retrievers.

When a dog cries, tears are released from their eyes. Tears act as a way to cleanse the eye and help reduce inflammation. Dogs also cry in order to communicate with other animals or humans. Crying can be a sign of happiness, sadness, frustration, or fear.

What are Tears?

Tears are a fluid produced by the eyes in response to emotional stress or sadness. Tears are composed of water, salt, protein and lipids. A tear film covers the eye and helps to keep it clean. Tears also contain nerve growth factor, which helps strengthen the optic nerve.

The anatomy of a tear

Can dogs cry tears? Some believe that all dogs can, based on the anatomy of a tear. A tear is composed of three parts: the lacrimal gland, the iris, and the lower lid. The lacrimal gland produces a salty fluid called Tears (or Saliva in Dogs), which helps wash away debris from your eyes. The iris controls how much light enters your eye and is also responsible for your dog’s eye color. The lower lid closes off the tear to protect your eye from infection.

So why do people believe that all dogs can cry tears? It’s likely due to the fact that many breeds of dog have similar tear production mechanisms. Additionally, some dogs will often cry in reaction to something upsetting – even if they don’t actually have tears flowing down their face. So while it might not be a common occurrence, it’s definitely possible for your four-legged friend to shed a few crocodile tears!

How Tears Evolve

Dogs and humans share a common ancestor that most likely cried tears. The reason for this is that tears are essential for both species to maintain their health. Tears contain antibacterial and anti-inflammatory properties, which can help keep your eyes healthy. In addition, tears play an important role in communication between people and their dogs. Dogs can communicate with us through what they cry, and crying is one way that they show their emotions.

While it’s still unknown exactly how Tears Evolve, it is known that they started out as watery drops. Over time, tears became thicker and more viscous. They also started to secrete proteins and electrolytes, which helped them to stay stable in the eye and protect it from inflammation. Finally, tears evolved into the tear we know today- a complex mixture of water, protein, carbohydrates, electrolytes, and other chemicals.

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How Tears Affect Dogs

Most people think of dogs as content and happy animals, but that’s not always the case. Some dogs can cry tears, and there are reasons for this.

Tears are a bodily fluid that are produced in two ways. The first is when tears flow from the eyes because of pain, stress or excitement. The second way is when you cry because you’re happy or sad. Dogs can cry tears just like people do.

There are many reasons why a dog might cry tears. A dog might cry when they’re feeling sad or hurt, or when they’re trying to tell you that they’re upset. Sometimes dogs might cry because they’re happy, and other times they might cry because they’re scared or agitated. It all depends on the individual dog and what’s going on in their life at the time.

Dogs usually don’t cry for very long periods of time, and most of the time they don’t make a lot of noise while they’re crying. If your dog is crying frequently or making a lot of noise while he’s crying, it might be something important that’s bothering him and you should pay attention to what he’s saying.


Yes, dogs can cry tears. In fact, they are likely to do so more often than humans. This is because their tear ducts are located in the middle of their eyes, rather than on the outside like human tears. Tears come from two sources: the lacrimal gland and the meibomian glands. The lacrimal gland produces white tears that help keep your eye moist and protect it from infection; meanwhile, the meibomian glands produce black tears that lubricate your eye and remove debris.


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