Mealworm feeders: Mealworm feeders hold dried mealworms, a popular food source for insect-eating birds, such as bluebirds and robins. FEEDER DESIGN.

The Perky-Pet Dried Mealworm Wild Bird Feeder with Flexports is a great pick that makes supplying these delicacies simple. Load it up and watch the bluebirds happily peck away. $15 at Walmart ...

The Perky-Pet Dried Mealworm Wild Bird Feeder with Flexports is a great pick that makes supplying these delicacies simple. Load it up and watch the bluebirds happily peck away. $15 at Walmart ...

The Perky-Pet Dried Mealworm Wild Bird Feeder with Flexports is a great pick that makes supplying these delicacies simple. Load it up and watch the bluebirds happily peck away. $15 at Walmart ...

• Best bird-feeder pole: Gray Bunny 91” Bird Feeder Pole • Best oriole bird feeder: Birds Choice Recycled Oriole Bird Feeder • Best bluebird feeder: Erva Bluebird Feeder with Mealworm Cup ...

Her special mix is proportioning 60% seed to 40% mealworms. Powers thought the feeders were interesting enough put up on a live webcam, so he set up a pan, tilt, zoom camera last week.

So whenever the birds land on one of these feeders, the feeder will automatically detect who that bird is," Thornton, a co-author, said. The feeders, he said, come in pairs.