Food, water, and the daily rhythm
Write out your lovebird's feeding as you perform it: how much seed and pellet mix, which greens and vegetables it will eat rather than scatter, and how treats are used. Lovebirds are busy, high-energy feeders, and a sitter should know the difference between a bird that has eaten well and one that has spent the morning shredding paper into its food cup. Fresh water daily is the baseline, changed sooner if the bird has bathed or dunked food in it, which many lovebirds do with enthusiasm.
Give the sleep routine its own lines. Lovebirds settle best with a consistent cover time and a long, quiet night, and a sitter who keeps the bird up in a lit, noisy room will meet a louder, nippier bird the next day. Note the wake time and the morning routine too, because lovebirds start the day at full volume and full speed, and a sitter expecting a gentle dawn chorus should be prepared for the real thing.
The territorial briefing
Lovebirds are affectionate with their chosen people and famously defensive of their cage, and a sitter who has only kept budgies will not expect the speed of a lovebird lunge at fingers pushed through the bars. Say this plainly in your notes: do not reach into the cage while the bird is in it, change cups using the service doors or while the bird is out, and win trust with treats offered at the bars rather than attempts to pick the bird up. If your lovebird steps up willingly, describe the cue and the perch or hand position it prefers.
This honesty protects the bird as much as the sitter. A bitten sitter who stops interacting leaves a social bird alone for the rest of the stay, while a warned sitter builds a workable relationship of conversation, treats, and respect for the cage door, which is all a short stay requires.
If your lovebird has a mate
For a bonded pair, the sitter needs to know that the two stay together, eat together, and sleep together, and that separating them even briefly for cleaning can cause frantic calling. Describe their normal interactions in enough detail that play is not mistaken for fighting and a genuine squabble is not missed: the beak fencing and foot nibbling that is ordinary pair behaviour, the hen's paper-shredding if she tucks strips into her feathers, and how they settle at night.
Ask the sitter to keep other pets, and their hands, away from the bars, because lovebirds will bite toes and beaks that come visiting through the wire. Note where neighbouring cages sit if the sitter has birds, since a lovebird needs more personal space than its size suggests.
Signs to act on, and the contacts
Close with the watch list: a lovebird gone quiet and fluffed, sitting low, off its food, or picked at by its mate needs a call to you the same day, and your avian vet's number should sit beside yours with a backup contact in between. Mention any known quirks the vet is already aware of. Assembling the feeding, the pair rules, the territorial warnings, and those contacts inside KinsLe's Care Pass means your sitter carries the lovebird's whole brief in one place for the entire stay.