night adder Directory References Discover 9 of the World’s Deadliest Snakes Water Fluoridation: Just the Facts Falling Stars: 10 of the Most Famous Endangered Species 7 of History's Most Notorious Serial Killers 7 Deadliest Weapons in History 7 of the World’s Deadliest Plants Poker Hands Ranked 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