night adder Directory References Discover Where Is “Old Zealand”? Why Is Ireland Two Countries? 10 of the World’s Most Dangerous Fish Which Religion Is the Oldest? Cruel and Unusual Punishments: 15 Types of Torture What is Holy Week? Causes of the Great Depression 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