A genus of birds that includes the hoatzin, known for its unique digestive system and appearance.

ओपिस्टोकॉमस, जो कि एक प्रकार का पक्षी है।

English Usage: "The opisthocomus is known for its distinctive cow-like digestive system."

Hindi Usage: "ओपिस्टोकॉमस अपनी विशिष्ट गाय जैसी पाचन प्रणाली के लिए जाना जाता है।"