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!
Portrait Flanged Orangutan Male Stock Photo 787494670 | Shutterstock
Maschio flangiato orangutan Foto stock - Alamy
Male Orangutans With Cheek Pads Father More Offspring | IFLScience
I've been trying to research this jolly dude for a few weeks. His flanges are unlike any other orangutan I've seen. Anyone know why? : r/primatology
Habitat Destruction Is Affecting The Facial Features Of Orangutans · Frontiers for Young Minds
The Mystery of the Orangutan Flange | The Ark In Space
Bornean Orangutan (Pongo pygmaeus) | about animals
Disegno stile sketch illustrazione della testa di un maschio senza flange orangutan, un extant specie di grandi scimmie nativi di Indonesia e Malaysia sulla isolato Immagine e Vettoriale - Alamy
Orangutan | San Diego Zoo Animals & Plants
Orangutan Land Trust🦧 on X: "The Mystery of the Orangutan Flange ~ The Ark In Space http://t.co/W00OCa2bQx #DoesMyFaceLookBigInThis? #orangutans http://t.co/YsfOnqQa6O" / X
Why Do Some Male Orangutans Have a Flange While Others Do Not? ~ Kuriositas
What are those things on this orangutan's cheeks? - YouTube
10 Fascinating Facts About Orangutans | Mental Floss
Orangutan Flanges - ZooChat
Orangutan Foundation International - Mature male orangutans have flappy cheek-pads known as "flanges" that can take up to 20 years to grow! Unusual as they may look, studies have shown that in
03 Male Orangutan Flanged - Orangutan Foundation International Australia
Pin on Primates Old World: Orang Utan
Male Flange Orangutan at ease resting in a tree Stock Photo | Adobe Stock
Head And Shoulders Of A Male Flange Orangutan Stock Photo - Download Image Now - Animal, Animal Body Part, Animal Head - iStock
Flanged male orangutans experience more severe early life stress | Plants And Animals
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…