Species in Return of the Jedi

Human

Classification:mammal

Designation:sentient

Language:Galactic Basic

Average Height:180cm

Average Lifespan:120 years

Droid

Classification:artificial

Designation:sentient

Language:n/a

Average Height:n/acm

Average Lifespan:indefinite years

Wookie

Classification:mammal

Designation:sentient

Language:Shyriiwook

Average Height:210cm

Average Lifespan:400 years

Hutt

Classification:gastropod

Designation:sentient

Language:Huttese

Average Height:300cm

Average Lifespan:1000 years

Yoda's species

Classification:mammal

Designation:sentient

Language:Galactic basic

Average Height:66cm

Average Lifespan:900 years

Mon Calamari

Classification:amphibian

Designation:sentient

Language:Mon Calamarian

Average Height:160cm

Ewok

Classification:mammal

Designation:sentient

Language:Ewokese

Average Height:100cm

Sullustan

Classification:mammal

Designation:sentient

Language:Sullutese

Average Height:180cm

Twi'lek

Classification:mammals

Designation:sentient

Language:Twi'leki

Average Height:200cm