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, ...

The Goliath birdeater ... to immobilize prey on the ground before dragging it back to its burrow for a private feast. The neurotoxin liquefies the prey's insides, which the spider then consumes.