1. The ptarmigan.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• kagopus,
• pagopus,
• oagopus,
• lzgopus,
• lsgopus,
• lwgopus,
• lqgopus,
• lafopus,
• lavopus,
• lagopous,
• lagpous,
• lagopuss,
• legopus,
• lagorus,
• lagopos,
• Logopus,
• logapus,
• lagoops,
• lapgopus,
• lagoobus

The adjective form of the word "lagopus" is "lagopine".

The plural form of the word "lagopus" is "lagopuses" or "lagopodes".

The singular form of the word "lagopus" is "lagopus".