Grey-breasted Mountain-Toucan vs Black-billed Mountain-Toucan

In short

The Grey-breasted Mountain-Toucan and Black-billed Mountain-Toucan are similar in size and structure, but can be distinguished by their bill color and subtle plumage differences. The Grey-breasted has a more colorful bill with a yellow base, while the Black-billed's bill is predominantly black.

Identification tips

1. Bill color: Look for the yellow base on the Grey-breasted's bill. 2. Breast color: The Grey-breasted has a grey breast, while the Black-billed is more uniformly dark. 3. Plumage tone: Note the overall darker appearance of the Black-billed. 4. Observe in good light: Subtle differences in plumage and bill color are best seen in good lighting conditions.

Size

Both species are similar in size, typical of mountain-toucans, with no significant differences in overall body length or structure.

Plumage

The Grey-breasted Mountain-Toucan has a grey breast and a more colorful bill with a yellow base and a red tip. In contrast, the Black-billed Mountain-Toucan has a black bill and a more uniform plumage with a darker overall appearance.

Behaviour

Both species are canopy dwellers, often seen foraging in the treetops and covering large distances. Their behavior is similar, making them hard to distinguish based on actions alone.

Habitat

Both species inhabit montane forests, often overlapping in range, which makes habitat a less reliable distinguishing factor.

Voice

Vocalizations are not well-documented for field differentiation, and both species have similar calls typical of mountain-toucans.