Gorilla Species & Biology
Species, anatomy, size, strength, lifespan and classification: the core facts about gorillas, each checked against primary sources.
Blackback vs Silverback Gorilla: Development, Age and Social Role
Blackback and silverback describe male developmental stages, not species. Compare appearance, age, body growth, reproduction, dispersal and group roles.

How Gorillas Age: Signs of Older Adulthood and Healthy Longevity
Older gorillas may show tooth wear, gray hair, slower movement and joint changes. Learn how wild observations and zoo healthcare reveal different parts of aging.

50 Evidence-Based Gorilla Facts That Reveal How Great Apes Really Live
Discover 50 carefully sourced gorilla facts covering species, anatomy, intelligence, family life, diet, habitat and conservation—plus the myths science does not support.

How Much Could a Gorilla Bench Press? Why There Is No Scientific Number
Short answer: Nobody knows how much a gorilla could bench press. No published controlled study has trained a gorilla to perform the human barbell exercise or measured a…

How Much Does a Silverback Gorilla Weigh?
Short answer: A silverback is a mature adult male gorilla, not a separate species. Adult male weight varies by taxon and individual. Smithsonian reports that western lowland adult…

Do Gorillas Have Tails? Ape Anatomy and Evolution
Short answer: Gorillas do not have external tails. They are apes, and all living apes—including gorillas, chimpanzees, bonobos, orangutans, gibbons and humans—lack an external tail. Gorillas are apes,…

Gorilla Scientific Names: Species, Subspecies and Classification
Short answer: Gorillas belong to the genus Gorilla. Scientists recognize two living species: the western gorilla (Gorilla gorilla) and the eastern gorilla (Gorilla beringei). Each species contains two…

How Strong Is a Gorilla? What Science Can—and Cannot—Measure
Short answer: Gorillas are exceptionally powerful great apes, but science has not established a trustworthy “times stronger than a human” multiplier. Popular figures such as four, six or…

Types of Gorillas: The Two Species and Four Subspecies
Short answer: Scientists generally recognize two living gorilla species—the western gorilla and eastern gorilla—and four subspecies: western lowland, Cross River, Grauer’s and mountain gorillas. Every wild gorilla lives…

How Tall Are Gorillas? Height, Posture and Arm Span
Short answer: Smithsonian reports that adult male western lowland gorillas can stand up to about 6 feet (1.8 metres), while adult females can stand up to about 4.5…

How Long Do Gorillas Live? Wild and Zoo Lifespans
Short answer: Gorillas in the wild commonly live about 30 to 40 years. Some individuals under human care live into their 50s. Lifespan varies, and the oldest known…

How Much Do Gorillas Weigh? Species, Sex and Context
Short answer: Gorilla weight varies substantially by sex, species, age and individual. Smithsonian reports adult male western lowland gorillas average about 300 pounds (136 kilograms) and may reach…











