[header] How to treat infections in hawk headed parrots [title] Check if your bird is cold or has a fever. [step] If your bird is cold, it will fluff its feathers out to keep warm. If it has a fever, it will pull its wings out away from itself to try to cool off its body. 
A cold bird needs to be kept warm, while a bird with a fever shouldn't be provided with heat. [substeps] If your bird has a fever, take it to the vet as soon as possible.