Lombok Wildlife Park on Instagram: “Why do orangutans have such big faces? • Adult male orangutans develop cheekpads, which frame their faces and make their heads look…”
![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/kampwit170803822/83422132-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.
![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/comp/PH16PK/close-up-to-face-of-dominant-male-bornean-orangutan-pongo-pygmaeus-with-the-signature-developed-cheek-pads-that-arise-in-response-to-a-testosterone-PH16PK.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 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/comp/PH16TK/close-up-to-face-of-dominant-male-bornean-orangutan-pongo-pygmaeus-with-the-signature-developed-cheek-pads-that-arise-in-response-to-a-testosterone-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 Stock Image - Image of nose, boss: 97564817 Close Up To Face of Dominant Male, Bornean Orangutan (Pongo Pygmaeus) with the Signature Developed Cheek Pads that Arise in Stock Image - Image of nose, boss: 97564817](https://thumbs.dreamstime.com/z/close-up-to-face-dominant-male-bornean-orangutan-pongo-pygm-pygmaeus-signature-developed-cheek-pads-arise-97564817.jpg)
Close Up To Face of Dominant Male, Bornean Orangutan (Pongo Pygmaeus) with the Signature Developed Cheek Pads that Arise in Stock Image - Image of nose, boss: 97564817
![Close Up To Face of Dominant Male, Bornean Orangutan (Pongo Pygmaeus) with the Signature Developed Cheek Pads that Arise in Stock Image - Image of nose, monkey: 97503961 Close Up To Face of Dominant Male, Bornean Orangutan (Pongo Pygmaeus) with the Signature Developed Cheek Pads that Arise in Stock Image - Image of nose, monkey: 97503961](https://thumbs.dreamstime.com/z/close-up-to-face-dominant-male-bornean-orangutan-pongo-pygm-pygmaeus-signature-developed-cheek-pads-arise-97503961.jpg)
Close Up To Face of Dominant Male, Bornean Orangutan (Pongo Pygmaeus) with the Signature Developed Cheek Pads that Arise in Stock Image - Image of nose, monkey: 97503961
![Dublin Zoo on Twitter: "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 Twitter: "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)
Dublin Zoo on Twitter: "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
![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 | 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 Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/02/48/91/28/1000_F_248912875_UlhXMwNxr0jIEwbhjffWa8cKq6ny0o8L.jpg)