Indochinese Bushlark vs Mongolian Short-toed Lark

In short

The Indochinese Bushlark and Mongolian Short-toed Lark can be challenging to distinguish due to their similar size and general lark-like appearance. Key differences include their habitat preferences and subtle plumage details. Observers should focus on structural features and vocalizations when identifying these species.

Identification tips

• Habitat: Note the habitat; Indochinese Bushlark is more likely in Southeast Asian grasslands, while Mongolian Short-toed Lark is found in steppes.
• Plumage: Look for rufous tones in the Indochinese Bushlark and paler, more uniform plumage in the Mongolian Short-toed Lark.
• Vocalizations: Listen for the song; Indochinese Bushlark has a more varied and complex song.
• Supercilium: Check for a more distinct supercilium in the Indochinese Bushlark.

Size

Both species are small larks, with similar overall size and proportions.

Plumage

The Indochinese Bushlark typically has a more rufous-toned plumage, especially on the head and upperparts, while the Mongolian Short-toed Lark is generally paler and more uniformly colored. The Mongolian Short-toed Lark may also show a less distinct supercilium compared to the Indochinese Bushlark.

Behaviour

Both species exhibit typical lark behavior, such as ground foraging and short, fluttering flights. However, specific behavioral differences are not well-documented.

Habitat

Indochinese Bushlark is often found in open grasslands and agricultural fields in Southeast Asia, while the Mongolian Short-toed Lark prefers steppes and open plains in Mongolia and parts of China and Russia.

Voice

Vocalizations are a key differentiator. The Indochinese Bushlark has a varied song with a mix of whistles and trills, whereas the Mongolian Short-toed Lark's song and calls are distinct but less well-documented.