![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. 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.](https://previews.123rf.com/images/kampwit/kampwit1708/kampwit170803845/84483428-close-up-to-face-of-dominant-male-bornean-orangutan-pongo-pygmaeus-with-the-signature-developed.jpg)
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.
![Dublin Zoo on X: "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 that their Dublin Zoo on X: "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 that their](https://pbs.twimg.com/media/DfKKlovXcAAbO48.jpg:large)
Dublin Zoo on X: "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 that their
![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… 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…](https://i.pinimg.com/1200x/c1/ed/e2/c1ede27b1a6f103cb834e6c1c518da1d.jpg)
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…
![Wildlife Tales on Instagram: “It takes the male orangutan about ten years to grow these big cheek pads, or flanges as they ar… | Orangutan, Male orangutan, Primates Wildlife Tales on Instagram: “It takes the male orangutan about ten years to grow these big cheek pads, or flanges as they ar… | Orangutan, Male orangutan, Primates](https://i.pinimg.com/1200x/a3/18/b5/a318b577a9d38f440f360b3329bca66c.jpg)
Wildlife Tales on Instagram: “It takes the male orangutan about ten years to grow these big cheek pads, or flanges as they ar… | Orangutan, Male orangutan, Primates
World Orangutan Events - #OrangutanCaringWeek Fun Fact: CHEEK PADS Mature male orangutans have large, flappy cheek-pads, known as flanges which females apparently find very attractive. | Facebook
![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 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](https://c8.alamy.com/zooms/6/ae024b721a5d440490db1a77b889e595/ph16tk.jpg)
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
![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-Foto | Adobe Stock 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-Foto | Adobe Stock](https://as1.ftcdn.net/v2/jpg/02/48/91/28/1000_F_248912875_UlhXMwNxr0jIEwbhjffWa8cKq6ny0o8L.jpg)
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-Foto | Adobe Stock
![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. Photos | Adobe Stock 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. Photos | Adobe Stock](https://as1.ftcdn.net/v2/jpg/02/48/91/58/1000_F_248915851_Z8OOSHSSuLWUnEvaN2I5pnL7kr0uMRnl.jpg)
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. Photos | Adobe Stock
![Close Up To Face of Dominant Male, Bornean Orangutan (Pongo Pygmaeus) with the Signature Developed Cheek Pads that Arise in Stock Photo - Image of menaced, eyes: 97564946 Close Up To Face of Dominant Male, Bornean Orangutan (Pongo Pygmaeus) with the Signature Developed Cheek Pads that Arise in Stock Photo - Image of menaced, eyes: 97564946](https://thumbs.dreamstime.com/z/close-up-to-face-dominant-male-bornean-orangutan-pongo-pygm-pygmaeus-signature-developed-cheek-pads-arise-97564946.jpg)