thumb|261px|right|alt=A western lowland gorilla knuckle-walking|A western lowland gorilla knuckle-walking.
thumb|261px|right|alt=A western lowland gorilla knuckle-walking|A western lowland gorilla knuckle-walking.
Knuckle-walking is a form of quadrupedal walking in which the forelimbs hold the fingers in a partially flexed posture that allows body weight to press down on the ground through the knuckles. Gorillas and chimpanzees use this style of locomotion, as do anteaters and platypuses.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).