Gardeners who wish to help robins in July are being warned to avoid one common bird food that can cause serious harm during hot weather. While feeding robins is a kind gesture, leaving out suet balls—also known as fat balls—can be dangerous as temperatures rise.
Why Suet Balls Are Harmful in Summer
Danielle from Really Wild Bird Food explains that suet balls are made from soft animal fat, which melts quickly in high temperatures. The melted fat can leave a greasy residue on bird feathers, causing them to mat together and lose their insulating properties. Robins rely on their feathers to trap air and regulate body temperature, so greasy plumage can lead to heat stress, dehydration, and even death during heatwaves.
"While fat balls can definitely be enjoyed by wild birds all year round, it's important to be vigilant when putting out fat balls in the summer months, especially if the weather is particularly hot," Danielle said.
Better Alternatives for July Feeding
Instead of suet balls, gardeners are advised to offer dried mealworms, which are rich in protein and help sustain robins when earthworms burrow deeper into parched soil. Soak the mealworms in water before placing them out to make them easier for young robins to eat and to provide hydration. Place them in a bird feeder, on a table, or on the ground in a sheltered area.
The RSPB has updated its guidance, recommending that between May 1 and October 31, people should stop feeding birds to help prevent the spread of disease. The charity advises: "We can help stop the spread of disease among garden birds by making two simple shifts to how we feed birds. Put simply: Feed seasonally. Feed safely."
How to Support Robins Responsibly
Robins spend July protecting nests and feeding chicks, making reliable food sources crucial. By choosing soaked mealworms over suet balls, gardeners can provide essential nutrition without risking the birds' health. Always clean feeders regularly and avoid leaving out food that can spoil or melt in the heat.
