Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to spot signs of bacterial infection in parrots [title] Look for changes in your bird's appearance. [step] Chlamydiosis can cause loss of appetite which can lead to weight loss. A parrot with chlamydiosis may also have ruffled feathers and in general may appear unkempt.

Ending1: [substeps] Symptoms such as weight loss or ruffled feathers can signal a variety of illnesses. If your bird has these symptoms, however, you should get it checked out by a veterinarian. Ending2: Chlamydiosis may also cause poor vision and hearing. Often, missing food due to poor vision may cause your bird to regurgitate before moving on. Ending3: Always inspect your bird carefully to make sure something is wrong. [substeps] Lories are usually clean and well-fed and have not curled their feathers. Ending4: In rare cases, your bird may also produce feather waste. Keep a journal or use a book or app to note changes in your parrot's appearance.

Answer format: ending1/ending2/ending3/ending4