During a wildlife survey in Madagascar, Mayor discovered a new species of mouse lemur. "[It] weighs less than two ounces, fits in the palm of your hands," she says. Mark Thiessen/Courtesy of Mireya Mayor hide caption

itoggle caption Mark Thiessen/Courtesy of Mireya Mayor

LANGKAWI, MALAYSIA: A snake "jumps" off of a tree branch in Langkawi, Malaysia.    Selah Reeve Hobbie Jr. /National Geographic Channels hide caption

itoggle caption Selah Reeve Hobbie Jr. /National Geographic Channels