Stop Buying Cheap Suet Balls for Your Bird Feeder – Here’s What They’re Really Made of, and What You Should Look For Instead

Bird feeder in winter with blue tit.

Feeding birds in winter is vital as other natural food sources become scarce. But, there's one popular product you should think twice about purchasing: suet balls.

While high-quality suet balls are full of nutrients and are energizing, beneficial for feeding garden birds in winter, many of the low-cost suet balls on the market contain filler ingredients (including things like sawdust) that are not so healthy for birds and can even cause harm.