Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to treat feather picking in african grey parrots [title] Take your parrot to the vet. [step] If your bird is ill or in pain, then it may pick its feathers to cope. Birds don't understand how illness or pain work, so their instinct tells them to try to remove the cause of what's bothering them, which leads to plucking.

Ending1: If you're unsure, always have a reputable vet check up on your parrot. [substeps] You can also try taking your bird to a vet who specializes in feather picking. Ending2: Feather picking may mean that your bird has pollen allergies in one feather. Another factor may be the pesticide in your bird's natural diet, which may be affecting its feather picking. Ending3: [substeps] Feather picking is common in american parrots, but may be more prevalent in native birds like african greys. Because their body temperature is so low, picking your bird prevents good feathers from drying out, burning them, and increasing their body temperature. Ending4: The plucking can also be caused by hormones, which can be treated by the vet. [substeps] The vet can check for bacterial infections, parasites, and heavy metal poisoning.

Answer format: ending1/ending2/ending3/ending4