The Rainbow Gardman Adjustable Small Bird Feeder (BA01320) is a great feeder that you can use for mealworms or any other feeds. It features a clear dome that allows you control the size of the birds that can use your feeder. The birds can easily feed with its wide opening. They can perch on it without any problem. You can mount this on a pole (not included) or simply hang it on a dining station or tree branch. It's a simple way to feed your favorite feathered friends.