Please choose the correct ending to complete the given sentence: Food and Entertaining: [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.

Ending1: It should be able to speak or contemplate, so if you suspect a sick bird has got a fever, it will be alert and try to speak. If the bird is out by itself, it will suddenly change to someone else and that person might be infected. Ending2: You can check your bird's temperature with your thermometer or by scratching a particularly warm spot on its body with your thumbs. If you don't get an accurate reading, your bird is sick. Ending3: [substeps] This process may take an hour or two to recover. [title] Identify a cold bird if it is breathing heavily. Ending4: 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.

Answer format: ending1/ending2/ending3/ending4