Traits: Small brown bird that holds its short tail upright; thin bill

Habitat: Coastal forest habitats that include shrubs and ground cover plants; old-growth forests during winter

Foods: Beetles, sawflies, ants, caterpillars, aphids, lacewings, spiders, mites

Eaten by: Sharp-shinned hawks, boreal and saw-whet owls; shrews and squirrels prey on eggs and young.

Do You Know? The wren's loud song and aggressive territorial defense are surprising considering its small size.