willow ptarmigan Directory References Images Quizzes U.S. State Bird Quiz Discover Timeline of the 2000s 7 Drugs that Changed the World What Is the Emoluments Clause? Falling Stars: 10 of the Most Famous Endangered Species 9 of the World’s Deadliest Snakes 7 Deadliest Weapons in History Why Do Some Cicadas Appear Only Every 17 Years? Contents willow ptarmigan bird Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Lagopus lagopus, willow grouse Learn about this topic in these articles:description In ptarmiganAlso distributed circumpolarly is the willow ptarmigan, or willow grouse (L. lagopus), a more northerly bird of lowlands. On Rocky Mountain tundra south to New Mexico is the white-tailed ptarmigan.Read More