How to identify the Common Yellowthroat

To correctly identify the Common Yellowthroat (Geothlypis trichas), check each of these features. Birds can be tricky: habit, habitat, and call often confirm a sighting that a single photo cannot.

Size at a glance

Length

11-13 cm (4.3-5.1 in)

Wingspan

15-19 cm (5.9-7.5 in)

Weight

8-15 g (0.28-0.53 oz)

Physical features to check

1. 1

   Plumage

   Overall feather coloration and pattern.

   Males have a striking black mask bordered by a white band above, extending from the forehead to behind the eye. The throat and breast are bright yellow, fading to olive-brown on the back, wings, and tail, and whitish on the belly. Females lack the black mask, having an olive-brown head with a yellowish wash, especially around the face and throat, and a duller yellow breast. Both sexes have a relatively short, rounded tail.

2. 2

   Beak shape

   Shape and color of the bill: a key field mark.

   Small, slender, pointed, and dark (blackish to dark gray).

3. 3

   Eye color

   Iris color and any distinctive eye markings.

   Dark brown.

4. 4

   Leg color

   Leg and foot color.

   Dark gray to blackish.

5. 5

   Distinguishing features

   Standout features that separate this species.

   Male's black mask with white border, bright yellow throat and breast. Female's yellowish face and throat without a mask. Constantly active, often flicking its tail.

6. 6

   Juvenile appearance

   How young birds differ from adults.

   Juveniles resemble females but are duller, with less distinct yellow on the throat and a more brownish-olive overall coloration. The black mask of young males begins to emerge in late summer/early fall.

7. 7

   Seasonal changes

   Plumage variation between breeding and non-breeding seasons.

   Plumage remains largely consistent between breeding and non-breeding seasons, though colors may appear slightly duller or more worn outside of the breeding period. Males retain their black mask year-round.

8. 8

   Sexual dimorphism

   How males and females differ.

   Pronounced. Males have a distinct black mask and brighter yellow plumage. Females lack the mask and are duller overall.

Key field marks

• Male Plumage. Look for the unmistakable black mask across the eyes, bordered by a thin white band above, contrasting sharply with the bright yellow throat and breast. The back is olive-green.
• Female Plumage. Identify females by their overall olive-brown upperparts and yellowish underparts, with a distinct yellowish wash on the face and throat, but no black mask. They often have a faint, broken eye-ring.
• Behavior. Observe their active, skulking behavior in dense, low vegetation. They are constantly moving, hopping, and creeping through thickets, often flicking their tails.
• Song. Listen for the characteristic 'wichity-wichity-wichity' song, which is loud, clear, and often repeated. This is one of the most reliable identification cues.
• Habitat. Common Yellowthroats are almost exclusively found in dense, low, often wet, shrubby habitats. If you're in such an environment and hear the song, it's likely a Common Yellowthroat.

Explore the Common Yellowthroat