World's biggest snake Anaconda found in South America. It has killed 257 human beings and 2325 animals. It is 134 feet long and 2067 kgs. Africa's Royal British commandos took 37 days to get it killed.
The largest snake fossil ever found is the Titanoboa. It lived over 60 million years ago and reached over 50 feet (over 15 meters) long. It weighed more than 20 people and ate crocodiles and giant tortoises.