Eastern Meadowlark vs Chihuahuan Meadowlark

In short

The Eastern Meadowlark and Chihuahuan Meadowlark are visually similar but can be distinguished by plumage details and vocalizations. The Chihuahuan Meadowlark has a paler appearance with distinct white outer tail feathers and less streaking on the auriculars and sides. Vocalizations are the most reliable field marks, as their songs and calls differ significantly.

Identification tips

• Listen for vocalizations: Eastern Meadowlark has a clear, flute-like song; Chihuahuan Meadowlark's song differs.
• Check tail feathers: Chihuahuan Meadowlark has four white outer rectrices.
• Observe plumage: Look for the paler appearance and less streaking on the Chihuahuan Meadowlark.
• Consider location: Eastern Meadowlarks are more widespread in the east; Chihuahuan Meadowlarks are found in southwestern desert grasslands.

Size

Both species are similar in size and structure, typical of meadowlarks.

Plumage

The Chihuahuan Meadowlark has four white outer rectrices and a paler, almost sunbleached mantle. Its sides are pale with dark brown, short, thin, interrupted lines or dots, unlike the thicker, bolder streaks of the Eastern Meadowlark. The auriculars of the Chihuahuan Meadowlark are cleaner with little-to-no streaking.

Behaviour

Both species exhibit similar behaviors typical of meadowlarks, such as ground foraging and territorial displays.

Habitat

Eastern Meadowlarks are found in a variety of open habitats across eastern North America, while Chihuahuan Meadowlarks inhabit desert grasslands in the southwestern United States and northern Mexico.

Voice

Vocalizations are crucial for identification, as each species has distinct songs and calls. The Eastern Meadowlark's song is a clear, flute-like whistle, while the Chihuahuan Meadowlark's song is less studied but known to differ.