Top 7 Biggest Spiders In The Usa

Largest spider by body mass (up to 175g) and body length (13cm). Found in northern South America; mainly feeds on worms, amphibians, and insects, sometimes birds.

Goliath Birdeater 

Leg span of around 20cm; found in tropical rainforests of Brazil and Colombia. Uses defensive tactics like spinning and kicking with spiked legs.

Colombian Giant Tarantula 

World s largest spider by leg span (up to 30cm). Native to Laos; known for cannibalistic behavior, with females sometimes eating males after mating.

Giant Huntsman Spider 

Females can weigh more than 100g with a leg span up to 28cm. Found in Brazil and popular in captivity; can give a painful bite when threatened.

Brazilian Salmon Pink Birdeater 

Leg span of around 23cm; one of the longest-lived tarantulas (up to 30 years). Often sold illegally, impacting wild populations.

Brazilian Giant Tawny Red Tarantula

Leg span of up to 20.3cm; native to Argentina and Paraguay. Noted for its striking appearance and hairy body.

Chaco Golden-Knee Tarantula

Leg span up to 20cm; native to Uganda, Tanzania, and Kenya. Uses a hissing noise created by rubbing hairs on its legs for defense.

King Baboon Spider