Small bird with thin bill; many have yellow markings.
Varies by species; shrub thickets, mixed and conifer forests
Insects that live on leaves and twigs of trees and shrubs (true bugs, leafhoppers, moth and butterfly larvae, aphids, flies, beetles, sawflies, spiders)
Merlins, sharp-shinned hawks, shrikes
Most warblers winter in Central or South America.
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