The short answer for a cockatoo kit
A cockatoo's grab bag is built around three facts: she is large, her beak can dismantle weak latches and thin plastic, and she bonds hard to her people, so sudden change hits her loudly. Pack a rigid travel cage with secure metal fastenings, several days of her normal pellets and in-shell nuts, bottled water, a heavy food crock she cannot tip, a cage cover, paper cage liner, a familiar wooden chew, and a waterproof folder holding her vet records, a recent photo, and your contact details. Everything else in the kit supports those basics.
A carrier a cockatoo beak respects
A cockatoo carrier has to survive the beak, not just hold the bird. Soft carriers and light plastic crates that suit a budgie will be chewed open by a cockatoo working at a seam during a long, frightening car ride. Choose a rigid travel cage or heavy carrier with metal bars or thick walls, latches she cannot pry, and a perch fixed firmly inside. Line the floor with plain paper you can swap quickly, because a stressed cockatoo produces messy droppings and spilled water. Test the carrier at home on ordinary vet trips so the sight of it does not itself become an emergency signal.
Food and water for a big, picky eater
A cockatoo away from home often refuses unfamiliar food, so the kit carries her exact usual pellets and the nuts she reliably eats, sealed against damp in hard containers her beak cannot puncture in the bag. Pack enough for several days, plus bottled water, because local supplies may be disrupted or taste different enough that she drinks less. Her water vessel should be a heavy crock or a securely mounted bottle she already knows; a light dish will be flipped within the hour. Rotate the stored food into her regular meals and replace it regularly so the emergency supply never goes stale unnoticed.
Calm, noise, and dust in a strange place
A cockatoo in an evacuation shelter announces herself, and a screaming, feather-dusting bird stresses everyone including herself. The kit should include a breathable cage cover that darkens her space and cuts visual triggers, a worn soft item carrying home smells where safe, and two or three destructible wood or cardboard chews so her beak works on something approved instead of the carrier. A small spray bottle lets you mist her feathers if the shelter air is hot and dry, which many cockatoos find settling. Keep her cage away from kitchen fumes, scented sprays, and cigarette smoke wherever you land, because a cockatoo's respiratory system is highly sensitive to airborne irritants.
Papers that speak for a bird who cannot
A cockatoo separated from her owner in a disaster is hard for strangers to help without paperwork. The kit's waterproof folder holds her avian vet's name and number, a summary of any ongoing care, her band or microchip details if she has them, and clear photos showing her crest, beak shape, and any feather quirks that distinguish her from another white cockatoo. Add a written note about her words, her fears, and what calms her, because a shelter volunteer who knows she settles for a whistle game will handle her far better. If she stops eating, breathes with an open beak, or sits fluffed and silent for hours in the shelter, that is the point to push for an avian vet rather than waiting her out. Storing those same records in KinsLe's Pet Passport keeps a portable copy of her packet with you even if the paper folder is lost.