The Saguinusimperator, a species of marmoset in the family Tamarix, is a type of marmoset monkey. He has two long white beards and is accustomed to sitting quietly together to eat and rest. Another way of saying it is called "Emperor" is because it resembles Wilhelm II of Germany. The fur is mainly gray with yellow spots on the chest. Living in the dense Amazon rainforest. Residing in the upper canopy of tropical rainforests or tropical forest grasslands, rarely active on the ground. Eat fruits, nuts, and other plant-based foods, as well as insects, spiders, frogs, small lizards, and bird eggs.

The pronghorn is a mammal belonging to the pronghorn family and the pronghorn genus. The body length is about 1.5 meters and the shoulder height is about 1 meter. Males weigh around 50 kilograms, while females weigh around 40 kilograms. Medium in size, well proportioned and agile. It inhabits semi-arid open grasslands at elevations of 900-1800 meters from northern Mexico to southern Canada. Mixed male and female clusters in winter, grouping in early spring, with young males and females separated, and adult males moving alone. The food consists of various grasses and shrubs, and even rough or poisonous plants that livestock do not eat. Vigilant personality, sharp vision, good at running, with a maximum speed of nearly 100 kilometers per hour.

Bighorn sheep, with huge horns and a robust body, are native to North America and have seven different subspecies, five of which live in desert areas. And in mountainous areas, bighorn sheep live in remote and barren mountains and ridges. Mountain bighorn sheep are the largest and most numerous among these 7 species. Mountain bighorn sheep are more agile than goats, and rams are also better at fighting than other types of rams. During the mating season, the sound of them colliding head-on always echoes in the mountains. Males have spiral shaped large horns, while females have missing or short horns. The main food source is the tender branches and leaves of grass and shrubs. Visual acuity, able to detect the approaching danger in the distance and issue warnings to the group.