Insects, and some small fruits.
Sorry, I don't eat Warblers.
warblers eat small insects and some spiders. they also eat caterpillars. overall warblers are carnivors.
Warblers eat Spiders, grasshoppers and other insects. Many warblers will eat suet at feeders, and small berries.
Donald W Stokes has written: 'Stokes field guide to warblers' -- subject(s): Wood warblers
Sharp shinned hawk, shrikes, house cats, snakes.
South. Typically, they head down past the border of the US, into Mexico, or further into Central America or even South America. It really depends on the species. Of course, this is assuming you are asking about North American wood warblers, and you are asking where they go in the winter.
Jon Dunn has written: 'Birds of North America' 'A field guide to warblers of North America' -- subject(s): Wood warblers, Identification
Warblers primarily eat insects, including caterpillars, beetles, flies, and spiders. Some warbler species also consume fruits, nectar, and seeds, especially during migration when insect prey may be scarce.
Lucy's warblers primarily feed on insects such as beetles, ants, and caterpillars. They forage for food by gleaning insects from leaves and branches in shrubby habitats where they typically build their nests. Occasionally, they may also eat small berries or seeds.
Golden cheeked warblers eat insects, spiders, and occasional seeds.
They do, actually. Most species eat insects.
Vermivora bachmanii is the scientific name of the Bachman's warbler which may be extinct.