Question: are apes or gorillas bigger?
Answer: There are two groups of apes. Gibbons, or lesser apes, are small (averaging about 15 pounds) and all the great apes are much larger. ... Chimpanzees range from 88 to 143 pounds and orangutans weigh from 90 to 110 pounds. Gorillas are much larger, ranging anywhere from 200 to 400 pounds.