To stop biting:

• do not have a strong reaction
• do not let him think he's the  boss
• teach him commands that will save your fingers and eliminate biting

To stop plucking feathers:

• rule out any health issues
• require patience and kindness
• regular training
• provide an optimal environment
• commit to 30 days of training sessions

To Come to You:

1. make sure that his wings are clipped
   
2. place him somewhere that allows him to easily walk over to you
   
3. tell him to "Come" in a firm, pleasant voice
   
4. reward him for his good behaviors, but never
   praise your cockatiel until it does what you are asking
   
5. soon it will be coming over to you on command!

The Up command:

1. Get your cockatiel out of the cage,
   you can use the "up" command for this.
   
2. Take him to a neutral space, out of
   sight of his cage; and put him down on a hard surface.
   
3. Use one hand to guide your bird from behind
   and press the index finger of the other
   into the birds chest.
   
4. Push your bird up gently from behind,
   so that it perches on your index finger.
   
5. Have patience and faith that he will learn!

How to talk:

1. Decide on a schedule to teach your pet cockatiel.
   
2. Prepare to devote at least four 10-minute sessions a day
   
3. Take your pet cockatiel out of its cage. Make sure that your pet cockatiel can clearly see your lips and hear your words.
   
4. Repeating one simple word (one syllable) to your bird. Repeat the word throughout the duration of the sessions.
   
5. Give your pet cockatiel a treat every time it shows an interest in the words you speak and the sounds you make.
   
6. Repeat the words in a sing-song or high-pitched tone.
   
7. Listen to your pet cockatiel. Reward him for trying.