Food: Purple martins eat flying insects, so no bird feeders or type of birdseed will attract them. … They will also eat finely crushed eggshells as a calcium supplement during the nesting season.
What do you feed purple martins?
Crickets are a great food for Purple Martins, especially for active feeding, however it’s important to make sure the crickets are dead, otherwise they may escape. Mealworms are widely available and good for stationary feeding. Another option is cooked eggs, which can be introduced once the birds have accepted insects.
How do you attract martins to a Martin House?
One of the most important steps in attracting Purple Martins is choosing the right location for your martin housing. Martins prefer housing that is placed in open areas with clear flyways. Choose the center of the largest open spot available, about 30-120 feet from human housing and at least 40-60 feet from trees.