Jun 21, 2021 · Here, we provide a comparative analysis of ocular pigmentation patterns in 15 species of hominoids (humans, great apes & gibbons) that show marked differences in social …

Feb 6, 2023 · AUSTIN, Texas — Long believed to be a uniquely human trait crucial for communication, visible white sclera — the “whites of the eye” — occur more commonly in …

Surprisingly, though, eyes with a white sclera are rare among the other great apes. This may be because their societies are less cooperative, and it’s more important to hide the direction of …

Mar 13, 2023 · The team analyzed over 1,000 photos of 230 individual Ngogo chimpanzees who live in the center of Kibale National Park, Uganda. Many of the images were taken by Lee, …

Jan 21, 2013 · From what I know, most ape eyes have a white sclera as humans do; however have a dark black ring framing their iris which is itself only limited to brown/dark brown …

White sclera in humans amplifies gaze direction, whereas the all-dark eyes of apes are hypothesized to conceal gaze from others. This study examines WHR and SSI in humans (N = …

Oct 15, 2022 · Here we quantify substantial interspecific variation in eye shape and colouration across 77 primate species representing all extant genera of anthropoid primates. We reassess …

May 1, 2022 · Although many eye features were similar between humans and other great apes, a key difference was that humans have uniformly white sclera which creates clear visibility of …

Sep 2, 2019 · The new study, ‘Scleral pigmentation leads to conspicuous, not cryptic, eye morphology in chimpanzees’, published today (Monday 2 September 2019) in Proceedings of …

Sep 19, 2019 · Chimpanzees and bonobos share the contrasting color pattern seen in human eyes, which makes it easy for them to detect the direction of someone’s gaze from a distance. …