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
The Mystery of the Orangutan Flange | The Ark In Space
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!
The Mystery of the Orangutan Flange | The Ark In Space
Why Do Some Male Orangutans Have a Flange While Others Do Not? ~ Kuriositas
03 Male Orangutan Flanged - Orangutan Foundation International Australia
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
save nature animal: The Bornean Orangutan
Flanged male orangutans experience more severe early life stress | Plants And Animals