ruby-crowned kinglet Directory References Images Discover How Deadly Is Quicksand? 12 Novels Considered the “Greatest Book Ever Written” Cruel and Unusual Punishments: 15 Types of Torture 7 of the World’s Deadliest Shipwrecks 10 of the World’s Most Dangerous Fish Timeline of the Titanic’s Final Hours What is Holy Week? Contents ruby-crowned kinglet bird Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Regulus calendula Learn about this topic in these articles:description In kingletIn the ruby-crowned kinglet (R. calendula) of North America, the crown mark is a mere tick of red, appearing on the male only and usually concealed.Read More
