Larks are similar to pipits in the wild given similarities in plumage and general appearance.
The difference between a lark and a pipit in Vietnam can be summarized as below.
Pipits are typically smaller, more slender birds with longer legs and tails, a slimmer beak, and an upright stance, while larks are generally heavier, more compact, and stocky with shorter legs and tails, a thicker beak, and a crouching stance.
Pipits are often found foraging actively on the ground for insects, whereas larks are slower foragers, preferring seeds and other plant material.
Key differences also appear in their plumage, with larks often possessing head crests and distinct facial patterns (eyebrow connects with neckline to form a ear-like of a lark...) that pipits lack.
Body Shape & Stance
Pipits: Have a slender, elongated body, with proportionately longer legs and a longer tail. They tend to stand in a more upright and alert posture.
Larks: Are more compact, with a stocky build and shorter legs and tails. They typically maintain a more crouching stance on the ground.
Bill & Head
Pipits: Possess a longer, finer, and more slender beak.
Larks: Have a heavier, thicker bill, reflecting their dietary differences. Many lark species have a prominent head crest, a feature completely absent in pipits.
Behavior
Pipits: Are energetic and active, constantly moving and moving around on the ground to hunt for insects.
Larks: Are slower and appear to forage with a more deliberate and slower movement. Their diet favors seeds and other plant matter, while pipits are more insectivorous.
Plumage
Pipits: Generally have a paler, more subdued plumage. In flight, they often flash white outer tail feathers, unlike some larks that flash black.
Larks: Can have more varied plumage, often with more distinct patterns, such as a darker mask and cap in the Horned Lark.
Vocalization
Pipits: Have calls that can be more similar to larks, but generally simpler and shorter.
Larks: Are known for their complex, longer songs, which can sometimes include mimicry.
Ecological Role
Both groups are important grassland indicators, as their presence and diversity can signal good grassland health due to their ground-nesting habits and reliance on both insects and plants.