Wreathed Hornbill vs Wrinkled Hornbill

In short

The bill structure is the most reliable field mark: the Wreathed Hornbill has a smooth, slightly curved bill with a prominent casque, while the Wrinkled Hornbill's bill is more deeply ridged and corrugated. Both species share similar habitats and behaviors, making structural differences crucial for identification.

Identification tips

1. Bill structure: Look for the smooth bill with a prominent casque on the Wreathed Hornbill versus the deeply ridged bill of the Wrinkled Hornbill. 2. Throat pouch color: Yellow on Wreathed, red on Wrinkled. 3. Size and build: The Wreathed is generally larger and more robust. 4. Habitat overlap: Both in tropical forests; check bill structure in overlapping ranges. 5. Plumage nuances: Note head and neck coloration differences if visible.

Size

Both species are large hornbills, but the Wreathed Hornbill is generally larger with a more robust build.

Plumage

Both species have striking plumage with black bodies and white tails, but the Wreathed Hornbill often shows a more uniform coloration with a distinctive yellow throat pouch, whereas the Wrinkled Hornbill has a more varied head and neck coloration with a red throat pouch.

Behaviour

Both species exhibit similar behaviors, such as flying in pairs or small groups and being highly vocal, often seen perched high in the canopy.

Habitat

Both species inhabit tropical forests, often preferring primary forests, but the Wreathed Hornbill can also be found in secondary forests and forest edges.

Voice

Vocalizations are similar, with both species producing loud, cackling calls, though specific differences in calls are not well-documented.