Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to spot vitamin a deficiency in an amazon parrot [title] Notice any cold-like symptoms. [step] An amazon parrot with vitamin a deficiency often appears as if it has a cold. It may seem lethargic, and it will probably have a plethora of respiratory symptoms that mimic the common cold.

Ending1: If this is the case with your bird, take it to the vet for a check up. [title] Check your parrot's dry shed. Ending2: [title] Look for trouble with moving its throat and eyes. [step] If you or your parrot suddenly becomes very pale, then your amazon parrot may be ill. Ending3: Allergies to vitamin a make your bird sick. [substeps] A captive parrot may have persistent symptoms, like bloody discharge from the eyes or ruffled feathers that may be very swollen. Ending4: [substeps] This includes things like sneezing, wheezing, crusty nostrils, or runny nose/nasal discharge. It's possible that these symptoms could also be caused by a bacterial infection of the upper respiratory tract.

Answer format: ending1/ending2/ending3/ending4