Food~ Wrens eat mostly tiny insects, They hunt spiders and insects, such as beetles, bugs and various caterpillars. They stuff their nestlings with a similar diet, along with grasshoppers and crickets.
What food do you put out for wrens?
Wren Feeding
In the garden, wrens will dart about quickly on the ground and will feed from ground feeders. Ideal wild bird food would be seed mixes, peanut granules and, in particular, live foods such as mealworm.
Do wrens eat from bird feeders?
Wrens are primarily insectivorous, and don't often appear at bird feeders. ... Wrens will eat nuts, seeds and berries when insects are unavailable.