Narrow-billed Woodcreeper vs Scalloped Woodcreeper

In short

The Narrow-billed Woodcreeper (Lepidocolaptes angustirostris) and Scalloped Woodcreeper (Lepidocolaptes falcinellus) are similar in appearance but can be distinguished by their bill shape and plumage pattern. The Narrow-billed has a more slender and straight bill, while the Scalloped features a slightly more curved bill. Both species have streaked plumage, but the Scalloped Woodcreeper displays a more scalloped pattern on its underparts.

Identification tips

1. Bill Shape: Look for the Narrow-billed's straighter, more slender bill compared to the slightly curved bill of the Scalloped. 2. Plumage Pattern: Note the scalloped pattern on the Scalloped's underparts versus the streaking on the Narrow-billed. 3. Habitat: Consider the habitat; Narrow-billed is more likely in drier areas, Scalloped in humid forests. 4. Overall Color: The Scalloped may appear darker overall. Use these features in combination for the best identification results.

Size

Both species are similar in size, typical of woodcreepers, with no significant difference noted.

Plumage

The Narrow-billed Woodcreeper has streaked plumage, while the Scalloped Woodcreeper's underparts show a more scalloped pattern. The Scalloped may also appear slightly darker overall.

Behaviour

Both species exhibit typical woodcreeper behavior, often seen climbing tree trunks and branches in search of insects.

Habitat

Both species inhabit forested areas, but the Narrow-billed Woodcreeper is more commonly found in drier forests and woodlands, whereas the Scalloped Woodcreeper prefers humid forests.

Voice

Vocalizations are not distinctly different in the field, with both species producing typical woodcreeper calls. Specific differences in song are not well-documented.