night adder Directory References Discover The Death of Shakespeare Timeline of the American Civil Rights Movement Is Australia an Island? New Seven Wonders of the World Nostradamus and His Prophecies What Comes After Terabyte? 15 Nelson Mandela Quotes Contents night adder snake Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Causus Learn about this topic in these articles:characteristics In adderNight adders (Causus) are small relatively slender vipers found south of the Sahara and are typically less than 1 metre (3 feet) long. They are active at night and feed nearly exclusively on frogs and toads. Read More