ruby-crowned kinglet Directory References Images Discover Who Votes for the Academy Awards? How a Rejected Block of Marble Became the World’s Most Famous Statue Pablo Escobar: 8 Interesting Facts About the King of Cocaine New Seven Wonders of the World Is Body Language Universal? 11 Egyptian Gods and Goddesses Holi: Festival of Colors 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