The western lowland gorilla is a calm, non-aggressive species in danger of sickness and poaching. They knuckle-walk while crawling on all fours, bearing all their weight on their curled third and ...

The current wave of gorilla-themed discussions traces back ... This specialized gripping ability evolved to support their knuckle-walking locomotion and food processing needs in dense forests.

Recently the internet has been consumed with the question of whether 100 people could win in a bare knuckle brawl with a gorilla. Now Robert Irwin has offered his thoughts on the debate.