Identity first: photos, band and where he came from
A cockatiel can be with you for a very long time, so the identity records you make on day one will be consulted for years. Write down his source, what you were told about his age and sex, and how certain that information is, since cockatiel sexing by appearance varies by color mutation and is often confirmed only later. Photograph him from the front and both sides with his crest visible, because his facial pattern and markings are his clearest identification, and a lutino or pied cockatiel can look very alike to a stranger without a reference photo. If he has a leg band, copy its details exactly into the file.
A first vet visit that anchors everything after it
Arrange an avian vet check soon after he arrives and file that summary as the anchor of his health record. A baseline weight, a note on his droppings, breathing, and feather condition, and the vet's view of his diet give you the reference point every future worry gets compared against. Cockatiels produce fine feather dust and are prone to startling at night, so mention both to the vet and record any advice given, including whether a small night light near the cage is recommended for him. Record the practice's contact details in the file itself rather than in your phone alone, because the file is what a sitter or family member will open in an emergency. Every later visit note joins this one in order, so a vet meeting him at any age can read his history as a single story.
The cockatiel log: night frights, molt and milestones
A running log for a cockatiel should capture the events this species is known for. Night frights deserve their own entries: note each episode, what may have triggered it, such as a shadow, a noise, or a household pet moving past, and whether he injured a wing or broke a feather, because patterns in those entries drive practical fixes like cage position or a night light. Log his molts and any changes in his crest behavior, appetite, or droppings as they happen. Add diet notes as served, especially any gradual move toward more pellets and vegetables, and what he actually eats, because cockatiels are champion seed-pickers who leave the nutritious parts behind.
Household and handover notes built from the log
From that log, keep a current care sheet for anyone who feeds him while you are away. It should carry his food exactly as served, his cover and sleep routine, his out-of-cage times, and his night-fright protocol, including the calm response that works for him, usually lights up gently, a quiet voice, and no grabbing into the cage. Add the vet's number, your contacts, and the changes worth reporting the same day, such as a cockatiel who stops eating, sits fluffed at the cage bottom, or has blood from a broken feather that will not settle, which needs prompt veterinary help. Refresh the sheet whenever his routine, cage, or household changes, because cockatiel care sheets age quietly out of date.
A file designed to outlast memory
The strongest reason to start on day one is the cockatiel's lifespan: memory will not hold twenty years of molts, moves, and vet advice, but a file will. As he becomes a senior bird, the entries shift toward weight trends, activity changes, and mobility around the cage, and their value rises because they are continuous with his young baseline. Keeping a cockatiel's identity, health, and care records together in KinsLe's Pet Passport means that whole long record sits in one portable packet, ready for any vet or carer at any stage of his life.