A lovebird is a tiny parrot with a very fast startle response, and fireworks combine the two things that unsettle it most: sudden concussive bangs it can feel through the perch, and bright flashes that change the room in an instant. The goal for the evening is not to make the display silent, which you cannot do, but to make your lovebird's cage feel like the safest, most predictable place in the house while every door stays firmly shut.
Settle the cage in an interior room early
Move the cage, if it is not already there, into a room with no outside door, well before dark. An interior hallway-adjacent bedroom or a bathroom with the window covered works well for a bird this small. Close the curtains or blinds so the flashes are muted rather than strobing across the cage bars, and switch on a lamp so the room's own light stays steady when a burst does get through. Check every latch on the seed doors and the main door, because lovebirds learn to work simple slides, and a frightened bird pushing at a loose hatch is a real escape route. Keep cats and dogs out of that room entirely for the night, however calm they usually are around the cage.
Buffer the sound without sealing the bird away
Put a radio or television on at normal conversation level an hour before you expect the first fireworks, playing something continuous rather than a programme full of its own explosions. That steady background gives each bang less contrast to land against. Drape a light cover over the back half and top of the cage only, leaving the front open to the room. A lovebird that wants to hide can back into the shadowed half, while one that takes comfort from watching you can stay at the front. Never cover the whole cage tightly for hours, and never move the cage into a garage or car, where fumes, heat build-up, and isolation make a small bird less safe, not more.
Keep the pair together and your hands out
If your lovebird lives with a bonded companion, that companion is the single best calming influence you own tonight, so keep them side by side and let them do their usual close perching and soft contact calling. Resist opening the cage to hold your bird through the worst of it. Out of the cage, a lovebird startled by a close bang can be across the room and behind furniture in a second, and catching a panicked bird risks feather damage, a bite from a bird that never normally bites, and an open door at exactly the wrong moment. Talk quietly from your chair, offer a familiar spray of millet through the bars if eating is part of the normal evening routine, and let normal behaviour, not your anxiety, set the tone.
Watch for trouble after the noise stops
Most lovebirds settle within an hour of the last bang, preening, eating, and calling again. Stay alert for a bird that is still fluffed and silent on the cage floor the next morning, has blood on a wing from thrashing against the bars, is breathing with an open beak and a bobbing tail, or has stopped eating entirely. Any of those signs after a night of panic warrants a call to an avian vet that day, because a bird this small has very little reserve. Should the worst ever happen on a night like this, KinsLe's Lost Pet Alert System lets you send a free alert to nearby Circle of Love members straight away, and a finder who spots your lovebird can message you directly through it.