Worm-eating Warbler (Helmitheros vermivorum)
Worm-eating Warblers live in the understory of deciduous forests. Their diet consists of insects such as grasshoppers, caterpillars, and other larvae, but usually does not include earthworms. They weigh 0.4-0.5 oz. and are 4.3-5.1 in. in length. Worm-eating Warblers make an insect-like trill noise. They are protected on the US Migratory Bird list.