视频展示了一只山魈的特写镜头。这只山魈有着棕色的毛发，脸部有蓝色和红色的斑纹，鼻子是红色的。它张大嘴巴，露出锋利的牙齿，然后又闭上了嘴巴。背景是模糊的绿色植物。
The video shows a close-up of a mandrill, a primate known for its distinctive and colorful face. The mandrill opens its mouth wide, revealing sharp teeth and a bright pink interior. It appears to be yawning or displaying a threat posture. The background is blurred with green foliage, suggesting a natural habitat. The mandrill's fur is a mix of brown, orange, and blue, with a prominent red nose and blue and red facial markings. After opening its mouth, the mandrill closes it and looks around.
A baboon with a colorful face, featuring a red nose, blue markings, and orange fur, opens its mouth wide, revealing its teeth and tongue. The baboon's mouth continues to open wider, showing its large fangs and the inside of its mouth. The baboon's mouth is fully open, displaying its teeth and tongue prominently. The baboon begins to close its mouth, still showing its teeth and tongue. The baboon's mouth is almost closed, and it starts to turn its head to the side. The baboon's mouth is fully closed, and it looks to the side. The baboon continues to look to the side, with its mouth closed. The baboon turns its head back to face forward, with its mouth slightly open. The baboon's mouth is slightly open as it looks forward.