How to Handle a Degu (And Why It Needs a Friend)

Degus are curious, intelligent, social animals, and two facts about this species stand in direct contrast to the hamster, worth understanding clearly before you bring one home.

Never Solo, Unlike the Hamster

This is the single most important fact about keeping this species well. Degus are highly social and need to live in same-sex pairs or small groups. A solitary degu doesn't just miss out on companionship, it becomes genuinely stressed, and that stress shows up as neurotic or aggressive behavior over time. This is the direct opposite of the Syrian hamster, which is solitary and territorial and must be housed alone. If you're coming from hamster ownership, resist the instinct to apply the same "one per cage" rule here.

Awake When You Are, Unlike the Hamster

Degus are diurnal, active during the day rather than at night. This is a genuinely appealing trait if you've kept a nocturnal hamster and found the mismatched schedule frustrating, a degu is naturally active and available for interaction on roughly the same clock you are.

Getting Handling Right

Degus tame well with regular, gentle handling and are naturally curious and vocal, chirping and squeaking as part of normal communication. Never pick a degu up by the tail. Like several rodents, degus can experience "tail slip," where the skin and fur of the tail sloughs off under grasping pressure. This doesn't grow back and needs veterinary attention.

The pickup that works is a slow one. Rest a flat palm in the cage, let the degu climb on, then cup the second hand over and around it. Never swoop in from above: a hand coming down from overhead sets off the same escape response a predator does. A degu that is used to being held can be supported around the chest and shoulders with the other hand under the rest of the body, or simply sat in cupped hands.

Two cautions for the early weeks. An unhandled, frightened or sore degu can bite hard, so a small towel or thick gloves are reasonable for the first few retrievals from the cage. And hold it low, sitting on the floor or close to it, away from shelves and furniture, because a degu will try to jump out of hands and can hurt itself landing. Some degus come to enjoy being held and others never do, preferring to interact by climbing over a lap during playtime. Both are normal.

Telling Males from Females

Sexing a degu is harder than sexing most pet rodents because the testes stay inside the abdomen, so no scrotum is visible. Both sexes have a small cone-shaped projection below the anus. The difference is the gap: in an adult male the distance between that cone and the anus runs about 6 to 10 mm and the cone has an obvious penile shape, while in a female the two openings sit close together, with a small slit-like vulva just behind the cone. Adult females also tend to be the larger sex. Confirm the sex yourself, or ask an exotics vet to, before two supposedly same-sex degus share a cage.

Pairs, Groups and Introductions

Same-sex pairs or groups of up to four or five are the simplest arrangement. A neutered male can live with one or more females, but a mixed group should never hold more than one male, since even neutered males may fight with females present. Whatever the mix, give the group a nest box big enough for everyone to sleep in together and enough hides that each degu can shelter alone.

Newly weaned pups, no older than 8 weeks, are accepted by adults of either sex far more readily than another adult is. If a lone degu is over a year old, introduce two pups rather than one, so the survivor is not left alone later.

Adults need the slow route:

1. Scent first. Split one cage with a mesh divider for about a week, then swap the degus between sections for a second week so each lives in the other's smell.
2. Neutral meetings. Put them together somewhere none of them has marked, an empty bathtub works, for 10 minutes, then 20 minutes the next day, and repeat over 2 to 3 more days.
3. Sharing a section. Leave them together overnight in one section, then swap the group between sections daily for about a week before removing the divider. Do not clean the cage first: it should smell like shared territory.

Mounting, boxing and some chasing are how degus sort out rank, so leave them to it. Chitters, warbles and mutual grooming mean it is working. Grunts, teeth grinding, lunging, or two degus rolling locked together mean separate them at once and start again from the divided cage. Introduce adult males outside the winter-to-spring breeding season if possible, and never put a pregnant female through an introduction, since the stress can cause a miscarriage.

First-Timer Mistakes

• Buying a single degu, expecting it to do fine alone the way a hamster would.
• Grabbing or restraining by the tail.
• Feeding fruit or sugary treats as an occasional "harmless" indulgence, genuinely risky for this species specifically.

The Relationship You're Signing Up For

Because this species is diurnal and social, degu ownership tends to feel more interactive day to day than many small rodents, you're more likely to see and engage with your degus during normal waking hours, and watching a bonded pair interact is a large part of the appeal. Go in planning for two from the start, not one.

Weighed against the other social, day-active rodent, the gerbil handling guide is the closest comparison, and Two Pets Where You're Really Buying a Pair walks through both together.

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Sources & Further Reading