Rufous-necked Hornbill vs Wreathed Hornbill

In short

The bill structure is the most reliable field mark: the Rufous-necked Hornbill has a more prominent casque and a deeper bill compared to the Wreathed Hornbill. Additionally, the Rufous-necked Hornbill has a distinctive rufous neck and head, while the Wreathed Hornbill displays a more uniform dark plumage with a pale throat.

Identification tips

• Bill and Casque: Rufous-necked has a larger, more pronounced casque and deeper bill.
• Neck and Head Color: Rufous-necked shows a distinctive rufous neck and head.
• Throat Color: Wreathed Hornbill has a pale throat, contrasting with its darker plumage.
• Habitat Preference: Consider the type of forest; subtropical/temperate for Rufous-necked, tropical for Wreathed.
• Vocalization: Listen for deeper calls of the Rufous-necked versus the higher-pitched calls of the Wreathed.

Size

Both species are large hornbills, but the Rufous-necked Hornbill appears bulkier due to its more robust bill and casque.

Plumage

The Rufous-necked Hornbill is notable for its rufous-colored neck and head, contrasting with its black body. The Wreathed Hornbill generally has a more uniform dark plumage with a pale throat and lacks the rufous coloration.

Behaviour

Both species exhibit similar behaviors typical of hornbills, such as foraging in the canopy and engaging in social interactions. No significant behavioral differences are noted.

Habitat

Both species inhabit forested areas, but the Rufous-necked Hornbill is more often found in subtropical and temperate forests, while the Wreathed Hornbill prefers tropical forests.

Voice

Vocalizations can be similar, but the Rufous-necked Hornbill often has a deeper, more resonant call compared to the Wreathed Hornbill's higher-pitched calls.