Common Yellowthroat vs American Redstart

In short

The Common Yellowthroat and American Redstart can be distinguished by their plumage and behavior. The Common Yellowthroat is known for its distinctive black mask, while the American Redstart displays bright flash patterns when fanning its tail. Both species are warblers, but their behaviors and habitats offer additional clues for identification.

Identification tips

1. Look for the black mask on male Common Yellowthroats. 2. Observe the flash patterns of the American Redstart when it fans its tail. 3. Note the habitat: marshy areas suggest Common Yellowthroat, while open woodlands suggest American Redstart. 4. Listen for the song: 'witchety-witchety' for Common Yellowthroat, varied high-pitched phrases for American Redstart.

Size

Both species are small warblers, but the American Redstart is slightly larger with a more robust appearance.

Plumage

The Common Yellowthroat features a distinctive black mask on adult males, with olive-brown upperparts and yellow underparts. Females and juveniles lack the mask but have similar coloration. The American Redstart adult male is black with bright orange patches on the sides, wings, and tail, while females and immature males are grayish with yellow patches instead of orange.

Behaviour

The American Redstart is known for its active foraging behavior, often fanning its tail to flush insects. The Common Yellowthroat is more secretive, often skulking in dense vegetation.

Habitat

Common Yellowthroats are typically found in marshes and dense, shrubby areas. American Redstarts prefer open wooded habitats, including deciduous forests and secondary growth.

Voice

The Common Yellowthroat has a distinctive 'witchety-witchety-witchety' song, while the American Redstart's song consists of high-pitched phrases and varied patterns.