Toco Blanquinegro del Congo vs Toco Abisinio

The Congo Pied Hornbill and Hemprich's Hornbill can be distinguished primarily by their bill structure and plumage patterns. The Congo Pied Hornbill typically has a more pronounced casque on its bill compared to Hemprich's Hornbill. Additionally, the Congo Pied Hornbill often shows more contrasting black and white plumage.

Bill structure: Look for a more pronounced casque on the bill of the Congo Pied Hornbill. Plumage contrast: Congo Pied Hornbill often shows more distinct black and white contrast in its plumage.

Congo Pied Hornbill generally displays more contrasting black and white plumage, while Hemprich's Hornbill may have less distinct contrast in its coloration.