Hummingbirds need a nectar solution of 1 part sugar to 4 parts water. Too much sugar can be harmful. 

Excess sugar can disrupt the birds' metabolism and lead to health problems. 

Excess sugar can disrupt the birds' metabolism and lead to health problems. 

Maintain the correct ratio to keep hummingbirds healthy and ensure they get the energy they need. 

Change the nectar every few days to prevent fermentation, which can occur with too much sugar. 

Change the nectar every few days to prevent fermentation, which can occur with too much sugar. 

Always use white granulated sugar, as other types can be harmful to hummingbirds.