Kaempfer's Tody-Tyrant
 Kaempfer's Tody-Tyrant (Hemitriccus kaempferi) is a rare species of bird in the family Tyrannidae. It is endemic to the Atlantic forest in southeastern Brazil. It was known only from two specimens until the 1990s when it was finally observed in life. It is protected under Brazilian law and it is on the United States' Endangered Species List.Kaempfer's Tody-Tyrant is 10 centimeters long and olive green in color.