Build floor-level shelter for a desert mouse
Spiny mice meet fireworks with the desert toolkit: cover, burrows, and company. Before dark, move the enclosure to the quietest interior room, then add shelter at floor level — cork rounds, a half-buried ceramic house, flat stones they can slip beneath — and deepen the litter so the group can dig in. Spiny mice are social, so the whole group stays together; a mouse alone in a strange quiet cage has lost both his cover and his colony. A breathable cloth over the enclosure's brightest side softens the flashes while leaving ventilation open on the shaded side.
Why hands stay off spiny mice on a loud night
A spiny mouse must not be caught or held during fireworks, for a reason specific to the species: their skin tears easily and a tail grabbed in a panic can shed its skin, leaving a serious injury. On a calm day handling is already a careful, scoop-don't-grab affair; mid-display it is a genuine hazard. The same applies to well-meaning children wanting to comfort them. Observe through the glass, count heads at the hides if you can do it without opening anything, and let the group huddle undisturbed.
Latches matter for climbers who panic upward
Spiny mice climb, jump, and squeeze better than their size suggests, and a startled group goes upward as readily as down. Check the lid's full perimeter, every door catch, and any cable or tube port into the enclosure before the first bang, and remove high perches and tall branches a falling mouse could drop from. Keep the enclosure off window sills and shelving near glass. A room door kept shut adds the second line of defence if any mouse does get out.
If the group shares the enclosure with a wheel, leave it in place rather than removing it for the night; spiny mice discharge tension in short running bouts between bangs, and a familiar wheel in a familiar corner is part of the map they trust.
Food scattered, water checked, cleaning postponed
Scatter the evening's seed and insect portion through the litter a little before the noise usually starts, so foraging gives the group a task that competes with listening. Check both water sources — bottle and dish if you use both — before covering the enclosure side. Postpone spot-cleaning and any rearrange of hides to the following day; spiny mice organise their space by scent, and a reshuffled enclosure on a frightening night is one more change than they need.
Signs the night cost more than sleep
By the next evening the group should be foraging, climbing at low level, and squabbling mildly as usual. Seek a vet with exotic small-mammal experience urgently for any mouse with torn skin, a damaged or shortened tail, laboured breathing, or one who stays separated from the group and refuses food — injuries in animals this small deteriorate fast and hide well. A group that emerges hungry the next night has simply had a loud one.
For the escape a latched lid cannot rule out entirely, KinsLe's Lost Pet Alert System sends a free alert to nearby members, so a spiny mouse found sheltering in someone's garage can get a message straight to you.