Small and boldly patterned; distinctive but often difficult to see well. Note long-tailed profile and red (male) or buffy (female) plumage below contrasting with gray above. Prefers canopy vine tangles and river edges, where it may occur lower; creeps through vegetation, alone or with mixed-species flocks, feeding on insects. Generally uncommon and inconspicuous. Plumage is unlike any other species in range. Song is a series of soft, rising whistles.