Slender-billed Weaver vs Black-billed Weaver

In short

The Slender-billed Weaver and Black-billed Weaver can be distinguished by their bill shape and coloration. The Slender-billed Weaver has a notably slender and pointed bill, while the Black-billed Weaver's bill is thicker and more robust. Both species share similar habitats but differ subtly in plumage details.

Identification tips

• Bill shape: Look for the slender, pointed bill of the Slender-billed Weaver versus the thicker, black bill of the Black-billed Weaver.
• Plumage: Note the more uniform yellowish body of the Slender-billed Weaver compared to the darker, contrasting plumage of the Black-billed Weaver.
• Habitat: Both species can be found in similar wetland habitats, so focus on structural differences.

Size

Both species are similar in size, typical of small weavers.

Plumage

The Slender-billed Weaver generally has a more uniform yellowish body with a slender bill, whereas the Black-billed Weaver features a darker, more contrasting plumage with a black bill.

Behaviour

Both species exhibit typical weaver behaviors, such as weaving intricate nests and foraging in groups.

Habitat

Both species inhabit similar environments, often found in wetlands, marshes, and areas with dense vegetation.

Voice

Vocalizations are not well-documented for these species, and differences are not a reliable field mark.