Animals with large chins
Chin is the forward pointing part of the lower jawbone that protrudes below the mouth. It’s different from just having a jaw, it’s a bony projection at the bottom of the face, a few animals have true chins, humans are unique among them.
1. Animals with large chin
1. Male Orangutans
Large throat sac flange below the chin not a bony chin but gives a massive lower-jaw appearance used to amplify vocal calls.
2. Mandrills and Baboons
Mandrills and Baboons have prominent lower jaw and fleshy chin area, their muzzles project outward giving a chin heavy look colorful and expressive lower face.
3. Bulldogs and Boxers
Bulldogs and Boxes undershot jaw lower jaw sticks out, looks like a pronounced, muscular chin visible when they rest.
4. Goats Bearded Males
Goats Beards hanging from the chin area make it look large sometimes used in dominance displays.
5. Llamas and Alpacas
Liamas and Alpacas fluffy fur can collect under the chin some appear to have a big soft chin pillow.
6. Some Fish Humphead Wrasse, Catfish
Catfish have fleshy barbels under their mouth that mimic a chin, Humphead wrasse has a large lower face and jaw bulge.
7. Frogs, Bullfrog
Frogs during vocalization, their throat pouch inflates, making a huge bulging chin.
8. Elephants
Elephants not a chin but their lower jaw and trunk base can look large and prominent, especially from the front view.
9. Humans
Humans are only species with a true bony chin, the chin is called the mental protuberance, no clear survival reason might be linked to speech, chewing forces.
10. Some Domesticated Animals
Pigs,horses sometimes appear to have a chin, but it’s not a true bony chin just lower jaw and flesh.
Animals without chins
All non human mammals like lions, bears, elephants, all reptiles, birds, amphibians, and fish. They may have mandibles, lower jaws, but none with a forward projecting chin like humans.