Weighing a Large, Long-Lived Bird Is a Long Game
A cockatoo may share your life for decades, so his weight record is a long document and consistency matters more than frequency. Weigh weekly on a solid stand or perch scale, same day, same time, before the first meal, and log the figure with any context — moulting, a week of extra showers, a change in the pellet brand. Cockatoo weights vary widely by species, from a few hundred grams in the smaller species to well over twice that in the large white cockatoos, which means your bird's own established baseline, not a book figure, is the reference every new reading is judged against.
Because the record runs for years, keep it somewhere that will not be lost when a notebook fills up: the value of a cockatoo log compounds, and the fifth year of entries is what makes the first year useful.
Appetite Means What Was Eaten, Not What Was Served
Cockatoos are champion food-throwers, so appetite logging has to track consumption, not provision. Each evening, note what genuinely went down: how much of the pellet portion, which vegetables were eaten rather than flung, and how many nuts were taken as rewards during training. Weighing the food bowl in and out is impractical with a bird who scatters half of it, so use honest fractions and the same wording each day, which keeps weeks comparable.
Flag texture shifts as they happen. A cockatoo who starts leaving hard items and favouring soft foods, or who holds food in the beak and drops it, is giving you appetite information of a different kind, and it belongs in the record in those words rather than being averaged into "ate less."
Behaviour Notes for a Bird Who Feels Everything Loudly
Your daily cockatoo line should cover volume, feathers and company. Note how much of the morning and evening was spent in normal contact calling versus unusual screaming, whether the crest displays and dancing were their usual performance, how he played with toys, and — most important — any feather behaviour: barbering, plucking, or new chewing at the chest or legs. Record triggers beside it, because a week of picking that matches a week of your night shifts is a husbandry clue, while picking that starts in a settled routine is a different entry entirely.
Also log sleep honestly. A cockatoo shorted on quiet sleep by a late, bright living room will be louder, pickier and harder to live with, and the behaviour column is where that cause shows up.
Trends in a Cockatoo Move Slowly — Read Monthly
Review a cockatoo's log monthly, because a big, long-lived bird changes slowly and weekly scanning invites false alarms. Ask three questions of the month: is the weight line level within its usual wobble, is the eaten column as broad as it was, and is the behaviour column still describing the bird you know? A month where all three have thinned slightly is a finding even when no single week looked wrong.
Mark life events in the margin — a new cage position, building work, a family member leaving home. Cockatoos react to household change for weeks, and the margin note is what later separates a grief reaction from a medical drift in the record.
When the Cockatoo Log Says Vet, Not Patience
Book an avian vet when the record shows weight slipping across two monthly reviews, appetite narrowing week on week, or feather-damaging behaviour that is new, escalating or breaking skin — and go promptly if weight loss arrives with lethargy, changed droppings, fluffed sitting, or discharge around the nares. Feather behaviour in a cockatoo can have medical roots as well as emotional ones, and the log's timeline — when it started, what else changed — is the single most useful thing you can hand the vet. A dated history turns a vague worry into a case. Filing that history in KinsLe's Pet Passport keeps your cockatoo's weights, appetite notes and behaviour record together as one packet across the years.