Orangutan Foundation International - Mature male orangutans have large flappy cheek-pads, known as "flanges". Not all males have them, and this trait of dominance can take up to 20 years to grow!
Male orangutan with large cheek pads, Camp Leakey | Angela Neal Grove
Species Information - Orang Utan Republik Foundation
Close up to face of dominant male, Bornean orangutan (Pongo pygmaeus) with the signature developed cheek pads that arise in response to a testosterone Stock Photo - Alamy
The Mystery of the Orangutan Flange | The Ark In Space
This here is a so-called 'unflanged' orangutan male. Flanges is another name for the large cheek pads that you see in orangutan males. However, not all males de…
orangutan pic daily & facts!! on Instagram: “Day 52! Males have large cheek pads called flanges - these flanges usually d… | Orangutan, Animals wild, Baby orangutan
Why do male orangutans have huge throat sacks? - Orangutan Foundation International Australia
Dominant Male Orangutan Signature Developed Cheek Stock Photo 108091847 | Shutterstock
Appearance and Species der roten Waldmenschen auch Orang-Utans genannt
Orangutan Foundation on Twitter: "A wild male #orangutan. Is there a more impressive sight in nature? 🦧 The distinctive cheek pads known as 'flanges' can only be found on male orangutans. It's
Orangutan females prefer dominant, cheek-padded males
ٹوئٹر \ Dublin Zoo Twitter پر۔ "Did you know that male orangutan's big cheek pads are known as 'flanges'? They can take up to 20 years to form and it is thought
Orangutan male with cheek pads crossing water, Stock Photo, Picture And Low Budget Royalty Free Image. Pic. ESY-015685253 | agefotostock
Male Orangutans With Cheek Pads Father More Offspring | IFLScience
Orangutans - Orangutan Conservancy
Close Up To Face Of Dominant Male, Bornean Orangutan (Pongo Pygmaeus) With The Signature Developed Cheek Pads That Arise In Response To A Testosterone Surge. Stock Photo, Picture And Royalty Free Image.
Orangutan Facts - Orangutan Foundation International Australia
Orangutan | San Diego Zoo Animals & Plants
Dominant Male Orangutan Developed Cheek Pads Stock Photo 108091832 | Shutterstock
Why Some Orangutans Never Want to Grow Up | Science| Smithsonian Magazine
Close Up To Face of Dominant Male, Bornean Orangutan (Pongo Pygmaeus) with the Signature Developed Cheek Pads that Arise in Stock Image - Image of cute, animal: 97564427
Dominant male orangutan with the signature cheek pads that develope in response to a testosterone surge. | CanStock
