[Dog Biology] Things You Might Not Know? Dog Trivia
We’ve gathered some fun facts about dogs that we’d love dog lovers—especially those living with dogs and who absolutely adore them—to know.
These tidbits about canine behavior are compiled so that dog owners can enjoy learning more about the dogs who are such a close part of our lives and grow to love them even more.
It’s also great fun to use them as a quiz when you get together with your dog-loving friends.
Try learning and picking up knowledge in a quiz format about those puzzling behaviors and various body-related traits of dogs that you’ve always wondered about.
Even if you don’t know much about dogs, it’s a simple three-choice quiz, so feel free to give it a try!
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[Dog Behavior] Surprisingly Unknown? Dog Trivia (1–10)
Why do we yawn when we’re training a dog or having a serious conversation?
- Because I'm tired
- evidence of being relaxed
- To calm myself down
See the answer
To calm myself down
There are several reasons why dogs yawn, but when they do so during training or in other serious situations, it often means they are feeling stressed or anxious. Yawning is considered one way dogs calm their emotions; it’s a behavior that helps ease discomfort or uneasy feelings.
What is the reason people say that dogs are less sensitive to pain or have a dull sense of pain?
- To reduce energy consumption
- So as not to show weakness to those around them
- To adapt to the changing seasons
See the answer
So as not to show weakness to those around them
In the wild, showing weakness or susceptibility to illness to potential enemies is disadvantageous for survival, so dogs are considered to have a muted pain response. It’s not that dogs are tough or insensitive to pain—they simply suppress the expression of it. This is thought to help them avoid appearing weakened to those around them, thereby increasing their chances of survival.
Dogs do not dream. True or false?
- ◯
- ✗
See the answer
✗
Dogs dream. According to research, dogs dream during REM sleep, and it’s believed their dreams are likely based on their daily activities and experiences. Just like humans, right? It makes you wonder what they’re dreaming about!
[Dog Biology] Surprisingly Unknown? Dog Trivia (11–20)
How many blood types do dogs have?
Humans have blood types such as A, B, O, and AB, and dogs also have blood types. So how many different blood types do dogs have worldwide?
- 5 types
- 8 types
- 13 types
See the answer
8 types
Dog blood types are classified based on the DEA (Dog Erythrocyte Antigen) system, with eight types confirmed. DEA stands for “dog erythrocyte antigen.” Canine blood types are very complex, and it is said that there are more than 13 types when classified in detail.
Cats are said to have “cat tongues” and can’t eat hot food—what about dogs?
- Dogs, like cats, are not good with hot things.
- Dogs are tolerant of hot things.
- Dogs do not show a particular change in sensitivity to either hot or cold stimuli.
See the answer
Dogs, like cats, are not good with hot things.
Dogs cannot eat hot foods just like cats. Food that humans find pleasantly warm and body-warming is actually hot for dogs. Lukewarm food at around body temperature is fine, but don’t give hot food just because it’s cold.
What does the “Shiba” in Shiba Inu mean?
- It describes a small, sturdy build.
- It originates from the fact that I mainly worked in the mountains and forests.
- Because it was frequently observed in shrubland
See the answer
It describes a small, sturdy build.
The “shiba” in Shiba Inu refers to its small, sturdy build. Originally, the term was used for Japanese small dogs active in the fields and mountains. They came to be called Shiba Inu because their physique and appearance are supple like fine twigs (shibaki), and they are small yet robust.
What is the average body temperature of a dog?
- Approximately 36.5–37.5°C
- Approximately 38.3–39.2°C
- About 40.0–41.0°C
See the answer
Approximately 38.3–39.2°C
A dog’s average body temperature is said to be about 38.3–39.2°C. This is slightly higher than the average human body temperature and can vary depending on the breed, individual differences, and activity level. A temperature that would be considered a fever or high fever in humans is normal for dogs.


