The Goliath birdeater doesn't just it birds. It also eats small rodents, frogs and insects. Milan Zygmunt / Shutterstock ...

Here are three spiders, each of which can be considered “extreme,” based on their deadliness, size or weight. 1. The Sydney Funnel-Web Spider, Quite Possibly The Deadliest Spider In The World ...

The Goliath birdeater spider, native to South America's rainforests, is the biggest spider in the world, with a leg span reaching up to 12 inches (31 cm). The giant huntsman spider, found in Laos, ...