Red-billed Dwarf Hornbill vs African Grey Hornbill

In short

The Red-billed Dwarf Hornbill and the African Grey Hornbill can be distinguished primarily by their bill color and size. The Red-billed Dwarf Hornbill has a striking red bill, whereas the African Grey Hornbill has a grey bill with a black base. Additionally, the African Grey Hornbill is larger overall.

Identification tips

1. Bill Color: Look for the red bill of the Red-billed Dwarf Hornbill versus the grey and black bill of the African Grey Hornbill. 2. Size: Note the larger size of the African Grey Hornbill. 3. Supercilium: The African Grey Hornbill has a more pronounced white supercilium. 4. Vocalizations: Listen for the distinct piping notes of the African Grey Hornbill.

Size

The African Grey Hornbill is larger than the Red-billed Dwarf Hornbill.

Plumage

Both species have predominantly grey plumage, but the Red-billed Dwarf Hornbill may appear darker. The African Grey Hornbill has a more pronounced white supercilium.

Behaviour

Both species are arboreal and can be seen foraging in the canopy, but specific behavioral differences are not well-documented.

Habitat

Both species inhabit forested areas, but the Red-billed Dwarf Hornbill is more restricted to dense, humid forests, while the African Grey Hornbill can also be found in more open woodlands.

Voice

The vocalizations of these species differ, with the African Grey Hornbill producing a series of piping notes, while the Red-billed Dwarf Hornbill's calls are less documented but generally softer.