A parrot with PTSD is on the road to recovery after being adopted by a new owner - who soothes it by singing ‘Twinkle Twinkle Little Star’. <br /><br />Amusing footage shows 10-year-old Chicken Man parrot squawking along as sanctuary volunteer Brenda Jorgensen gently sings the children’s lullaby.<br /><br />The bald bird plucked all its feathers out due to stress and suffers with PTSD after spending its entire life locked up in a cage.