
5 Curious Things Dogs Do
- Equipo NUPEC®
One of the things you probably love most about your dog is how fun it is: dogs are always doing entertaining things that seem inexplicable to you but are fascinating. And while many canine behaviors may seem baffling, there is a reason behind each of them—today on the NUPEC Blog, we explain why they happen.
Why does my dog:
- Kick its legs when I scratch its belly? It is called the scratch reflex, and it is an automatic reaction of its body, similar to when you sit in the doctor's office and the doctor taps your knee at its widest point. Although you may think this reflex is only triggered when you rub its belly, it actually involves many nerve endings and muscles that have evolved to help it scratch the exact spot where it itches.
- Sniff other dogs' rear ends? Dogs have sacs called anal glands that secrete a fluid that acts as a lubricant when they defecate. The substance these glands produce has a smell that may be unpleasant to humans, but for dogs it is unique to each animal—it gives them a kind of identity. That is why dogs approach to sniff another dog's rear end: it is a way of getting to know and communicating with each other.
- Rub itself everywhere after a bath? Canine behavior experts believe dogs do this because after a bath they no longer recognize their own scent, which feels strange to them, so they go to places where they detect their smell and rub against them to get it back. Other experts believe it is a way to release the tension caused by the stress of the bath, or simply to get your attention.
- Chase its tail? Many people find this behavior funny, but a dog that chases its tail incessantly has an anxiety problem that can turn into a compulsion. As with everything, the key is how often it happens. If your dog only does it briefly when it gets excited about going out, getting a treat or you coming home, there is no problem; however, if you notice the behavior is compulsive, nonstop and has no trigger, you should see your veterinarian for advice.
- Sit and drag its rear end? This behavior may happen because it has intestinal parasites such as worms that make it itch or, most commonly, because its anal glands have filled with fluid and are causing a lot of discomfort, so it drags itself. Either way, it is best to see your trusted veterinarian to clear up any doubts.
NUPEC® tip: behaviors caused by a behavioral disorder or a health problem should never be ignored; for your dog's well-being, seek a veterinary or behavioral solution right away to resolve the problem as soon as possible.
Finally, to keep nurturing your dog's curiosity and the bond you share, the best thing you can do is feed it conscious scientific nutrition like the one NUPEC® offers with our wide range of super premium kibble, specialized nutrition, functional treats and wet food. Ask your trusted veterinarian about the benefits our products can bring to your pet's life.
At NUPEC®, we are committed to enhancing the health, beauty and life of pets through responsible scientific nutrition, bringing fulfillment to their owners.
Frequently asked questions
Why does my dog kick its leg when I scratch its belly?
It is the scratch reflex, an automatic response of its nerves and muscles that helps it scratch exactly where it itches.
Why do dogs sniff each other's rear ends?
Their anal glands produce a scent unique to each dog: sniffing is their way of getting to know and communicating with each other.
Is it normal for my dog to chase its tail?
Occasionally, out of excitement, yes; if it does it nonstop, it may be an anxiety problem that turns into a compulsion.

