I found this a few years ago the author is unknown
Action = Translation
Standing on two feet = I'm all right.
Standing on one foot = I'm relaxing.
Standing on one foot, feathers fluffed = I'm really relaxing.
Standing on one foot, grinding beak = I'm getting tired.
Standing on one foot, half fluffed, eyes glazed = I'm trying to get some sleep.
Head facing back, tucked under wing = I'm sleeping.
Tail shake = OK, I'm ready for something new or I'm happy to see you.
Rubbing beak back and forth against perch = I'm cleaning my Beak.
Spread wings a little and rub face on back = Getting ready for some serious preening.
Lift wing and picking at different feathers = Preening.
Reach back, run feathers through beak = Preening, have to keep looking my best.
Standing straight, staring right at you = I'm ready to be picked up.
Pacing back and forth on perch = I said I was ready to be picked up!
Standing on one foot and waving the other = Pick me up, NOW!
Head lowered, wings half raised, feathers fluffed, leaning forward or up = I see something I want and if you don't pick me up NOW I'm going to have a nervous breakdown.
Flapping to the ground = I wanted you to pick me up but couldn't wait any longer.
Standing on your foot = OK, I'm sorry for flapping to the ground, pick me up, PLEASE.
One foot shaking with claw beating quickly = I have an itch against the side of my head.
Beak on the ground, neck feathers fluffed up = I want a scratch.
Head down, left wing fully extended = Big stretch!
Head down, right wing fully extended = Continuation of Big stretch.
Head down, both wings partially extended upward = Big stretch, final episode.
Mouth wide open, head extending as far up as it will go = Stretch/yawn combination.
Head bobbing and then regurgitating = I LOVE YOU!
Grab side of cage with beak, bottom of cage with foot and scrape bottom with other foot = Let me out of here!!!
Standing straight, staring right at you = I'm waiting for you to look away so I can do something bad.
Beak on the ground, neck feathers fluffed up = I want you to try and give me a scratch so I can bite you!
Holding on to top of cage with both feet and beak = I am going someplace.
Hanging from top of cage with both feet = I am playing or some Eclectus do this when nervous.
Hanging from top of cage with one foot = No problem, still playing.
Hanging from top of cage by beak only = No problem, still playing but trying to make you think I'm going to fall.
Hanging from top of cage and falling to bottom = Ooops, I guess that beak thing didn't work too well.
Head lowered and turned 90 degrees = I see something on the floor that I want.
Extending top part of beak and lapping with tongue = Whatever it is that you are drinking, I WANT it!!!
Standing on forearm, biting shirt at the shoulder and clawing up arm = I want UP!
Hanging from shirt collar by beak and waving both feet in the air = I want down.
Two steps back, rear-end rubbing table = I need to go potty!
Lying on back with feet in the air = Yeah, right!!! I don't think so!
Leaning forward with wings slightly apart = I am going to bite you.
Leaning forward with wings slightly apart and feathers standing up = I am really going to bite you!
Eyes pinning = I am excited.
Feathers fluffed out with eyes pinning = I want to bite you.
Bird's crest all the way up = scared or surprised. Can also be excited.
Bird's crest is flattened against the head = Could be angry or mad. May try to bite. Could also tuck its feathers in and become thinner.
Suddenly gets really tall and thin = Surprised or startled. Can be accompanied by the crest going up.
Bobs his head = Begging for food or attention.
Puffs out its chest = Showing off or bragging. They are happy.
Lowers his head and keeps it there. = Waiting for you to pet him or give a scratch.
Bangs his beak on a object = "This is mine!"
Puts his beak on your finger before stepping on = Just checking to make sure it's safe to step onto, or getting his balance.
Grinds his beak = They often do this before sleeping. It means they are content and relaxed.
Rubs his butt on an object = Masturbating.
Stoops low down and gets a bit puffy = It is about to go poop.
Biting/nibbling = The bird is young and just exploring and still needs to learn how much pressure to apply.
Biting/hard = Bird is scared, or trying to tell you something like it doesn't feel well or you are making it do something it doesn't want to do.
Biting/very hard = Displaced aggression.
Biting/very hard = Hormonal or protecting its nest.
