Incredible Spiders - National Geographic, Full Documentaries HD Click ► [http://www.gcpublishing.net/getherback] and discover a proven psychological technique to get your Ex back in less than 30 days. The Goliath birdeater (Theraphosa blondi) is a spider belonging to the tarantula family. Found in northern South America, it is the largest spider in the world. By leg-span, it is second to the giant huntsman spider, but it is the largest by mass. It is also called the Goliath bird-eating spide