1: Avoid using red dye in hummingbird nectar for their safety and health.

2: Always clean and sanitize hummingbird feeders to prevent mold growth.

3: Do not use artificial sweeteners as they can be harmful to hummingbirds.

4: Ensure that the nectar solution is the right concentration for hummingbirds.

5: Don't use honey or sugar substitutes in hummingbird nectar, stick to white granulated sugar.

6: Avoid using tap water in hummingbird nectar, use filtered or distilled water instead.

7: Do not overfill hummingbird feeders, as it can lead to wasted nectar and potential spills.

8: Never place hummingbird feeders near bird feeders to prevent territorial disputes.

9: Do not hang hummingbird feeders in direct sunlight, as it can cause the nectar to spoil quickly.