1: Boiling sugar water is necessary for hummingbirds' health.

2: Use a 4:1 ratio of water to sugar for the perfect nectar.

3: Boiled water ensures sugar is thoroughly dissolved.

4: Cool nectar completely before filling hummingbird feeders.

5: Avoid using artificial sweeteners or honey in nectar.

6: Change sugar water every 2-3 days in hot weather.

7: Feeders should be cleaned with hot water every time refilled.

8: Avoid red dye in nectar as it may harm hummingbirds.

9: Boiling sugar water ensures safe and healthy hummingbirds.