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What is the difference between a guinea pig, a hamster and a mouse?

The difference between a guinea pig, a hamster and a mouse are at first sight the dimensions, but also the habits and their needs are different.

What is the difference between a guinea pig, a hamster and a mouse?

If you have asked yourself this question because you want to choose one to make it your small domestic rodent then read on to discover all their features, always calculating how important the character of the individual animal is.

The difference in size of guinea pigs, hamsters and mice

These three small rodents despite the fact that they belong to the same family are divided by many characteristics, the first one we take into consideration is the size:

1) The guinea pig, or guinea pig (they are the same family only the length of the hair changes) it is about 25 centimeters large and can even weigh something more than half a kilogram.

Of course it is among the smallest larger rodents but it also has less pretensions in terms of space and games.

2) In the middle we have the hamster, clearly reduced dimensions, we speak in fact of an average that does not exceed ten centimeters and the two hundred grams of weight.

Its spaces, however, are to be considered vital, it has needs and you can’t take it home with you if you don’t want to respect them.

3) Finally we have the mouse, a small rodent that does not exceed seven centimeters (plus the length of the tail) and one hundred grams of weight.

Being small, it is not important to have a lot of space, also because his greatest amusement is turning around, and also for this he took the nickname of a dancing mouse.

This is what we can define as the most obvious feature in the eyes, but there are many other facets of these small rodents that we go together to see that make us understand that, even if from the same family, they are three very different animals.

The difference in character of guinea pigs, hamsters and mice

As with all of us, even small rodents have particular traits of their character, and this is highly regarded if you are looking for the right pet that can start to be part of your life.

1) The guinea pig is among the sweetest animals and lovers of the company that may exist.

To make them happy they must always be adopted at least in pairs, they really like having company and do not disdain that of their human. They are very cuddly, if you keep it close and you start caressing it it will be really happy.

This is the ideal little rodent for those who want a relationship with their pet.

However, you must remember that they are still mainly nocturnal, by day they prefer to doze, but they do not have aggressive attitudes towards hypothetical troublemakers.

2) The hamster has a decidedly more particular character.

He has his needs and has no faith in his human being.

To get his affection we must follow a well-defined path to conquer it.

He also does not tolerate the presence of his peers, is very territorial and is not happy to have guests in his environment.

They can be kept in the same cage until the end of their third month of life, then their territoriality can also lead them to hurt themselves, so it is highly discouraged.

They are small nocturnal rodents so by day they love to rest, and if they are not left in peace they know how to defend themselves very well, their bite is a reminder of most of the owners who tried to approach them a little too quickly.

3) The little mouse is a concentrate of energy,

He does not like human contact but we say that he is able to give great confidence to his young master, in fact he gets on his hand without major problems.

He prefers to be alone in his cage but is not as territorial as hamsters.

He loves to run in his cage and if you want to make him happy, let him live his independence.

As guinea pigs and hamsters it is a small nocturnal rodent, but during the day some races absolutely do not disdain it.

Spaces and food, what changes between guinea pigs, hamsters and mice

Also the power supply and the cage to buy is different for our three small rodents.

Of course here I will give you some news that you have to consider, however, a smattering because to learn more we will dedicate other tutorials, now I am interested in making you understand the differences of the three little animals.

1) Let’s start with the guinea pig who loves hay, he must never miss it.

In addition, for proper nutrition you can find protein pellets on the market (such as this) and at least eighty grams of fruit that must always be fresh.

Its diet to keep it healthy must also include seasonal fruits and some sunflower seeds as a reward.

As for his space, naturally, the cages must not be small, they need space to move, create a place to rest and sometimes they also need to change air.

If you have a small lawn where there is no possible contamination you can, under your careful supervision, leave it free to run, you will have a double advantage, clean lawn and happy guinea pig.

2) Hamsters need space, but also tools to vent their need for movement, mostly nocturnal.

Don’t miss the games and its possible attractions like the wheel to be able to move and not become too chubby.

Even the power supply must follow the same purpose. (Here is a Complete Guide to feeding the Hamster)

If they become obese they risk dying and that is why you must give a maximum of twenty grams per day between fresh fruit and vegetables or a small piece of cheese or half sunflower seed combined with the mixes that are on the market that have balanced doses of fats and proteins.

Particular attention also to their habits, (to learn to understand them here is another article about strange habits) premiums and fresh foods can be used to increase their confidence, they are very greedy and it is a method to conquer them.

3) Mice are less demanding in space, he just needs a cage where he can find a little something to dig and a space to be able to do his “ballets” or thirty centimeters on the side for his needs, and if you want to make him happy sometimes, let him run home, or in a lawn, but it is not necessary as for other small rodents, he is also well in his cage.

He is not a lover of climbing and therefore it is not necessary that his house is also closed above, with walls that are a little high you will certainly not have to worry about them escaping.

On the subject of nutrition we can say that he loves fresh vegetables, it is necessary to give him carbohydrates at least once a week, he loves pasta crusts.


Here are the main differences between these three small rodents, each of them is wonderful for certain characteristics, in conclusion there is no better pet, but at least you have the right knowledge to be able to decide which will be the best to become your pet.



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