Why did the world s smallest monkey, with its eyes so large, disappear from the earth for 90 years?

To survive on Earth requires a suitable living environment such as food, habitat and temperature. There can't be too many predators yet. If there are too many predators, they will perish.

Because human hunting, scarcity is precious, it's so precious, people want to explore it and hunt it, so it disappears and it goes extinct.

Because of changes in the environment, they were unable to adapt to the climate, resulting in a decrease in reproduction. Only a small number of monkeys survived.

The monkey, called the "dwarf tamarin", is considered to be the smallest monkey in the world.

Marmosets are small lower apes native to Central and South America, characterized by a small body with a long tail, a winding tail, a round head, no buccal pouch, and lateral nostrils.

This monkey grows up to be only 10-12 centimeters tall and weighs 80-100 grams. The newborn monkey is the size of a broad bean and weighs 13 grams. All kinds of tamarins are lively, cute, docile and fragile, and easy to domesticate.

Also known as "sac monkey" and "thumb monkey", the marmoset gets its name from the fact that the small marmoset can be placed in a coat bag or hand cage.

Need to protect:

Due to the impact of human activities and natural disasters, there is a risk of extinction. The endangered status is gradually increasing.

Habitat shrinkage, deterioration and human hunting are the main factors that cause this species to be endangered. Because this monkey still has a primitive appearance and life characteristics since it has evolved to this point, it is extremely scarce. There are only a dozen species of marmosets in the entire monkey family, but the number of emperor marmosets is also very small, and the international market has opened the door to marmosets, so it is extremely easy for hunters to catch them.

Hunters hunted many marmosets, causing the marmosets to be endangered.

The smallest monkey in the world is the marmoset.

The marmoset (also known as thumb monkey, short-toothed marmoset) is one of the world's smallest monkeys that lives in the forests of the Amazon River basin in South America. Weighs only 50 120 grams, because it has a small body and a long tail, and moves quickly, often runs through the woods, jumps freely, therefore, the local people call it "squirrel monkey", "bird monkey" and so on. It is necessary to eat insects frequently, otherwise it will be difficult to survive for a long time.

The call of the thumb monkey is very rich, similar to that of birds. Some of their calls are even more frequent than the human ear can recognize. Their hearing has also evolved brilliantly.

In the forest, marmosets are small and have a large range of activities, coupled with the fact that they are sheltered by leaves, so sound communication is almost the most important way of communication between marmosets.

Habits:

Wild marmosets inhabit mainly tropical rainforests or the upper canopy of tropical forest-savannahs, and are rarely ground-moving, generally foraging during the day and sleeping in tree hollows at night. Since they live in the tropical rainforests of South America, high temperatures and humidity must be maintained in laboratory rearing areas. Generally, the room temperature should be controlled at 24 30 and the relative humidity should be 50 80%.

Marmosets feed on insects, spiders, small vertebrates, bird eggs, lizards, small birds, or exudate from trees in the wild.

The smallest monkey in the world is the marmoset.

Marmosets: Also known as thumb monkeys, short-toothed marmosets. It is one of the world's smallest monkeys that lives in the forests of the Amazon River basin in South America.

Weighs only 50 120 grams, because it has a small body and a long tail, and moves quickly, often runs through the woods, jumps freely, therefore, the local people call it "squirrel monkey", "bird monkey" and so on. It is necessary to eat insects frequently, otherwise it will be difficult to survive for a long time.

Marmosets have super eyesight, thumb monkeys have very keen eyesight, and like humans, they rely on two eyes at the same time to accurately judge the distance of objects, so that they can jump and fly freely in the jungle. However, thumb monkeys are not as good at color recognition as we are, and all male marmosets are red-green color blind. Interestingly, only one part of the female marmosets are red-green color blind, and the other part has positive color vision just like us.

Species Value:

Marmosets have a wide range of research in the field of biomedicine, especially in reproductive biology, neuroscience, pharmacokinetics and drug toxicity screening, stem cell research, animal models of autoimmune diseases, infectious diseases, such as dengue fever.

At present, marmosets are now used as animal models in a variety of biological studies, including neuroscience system research, assisted reproductive technology research, infectious disease research, etc., especially many chronic disease studies, including Lassa fever, stroke, Parkinson's disease, multiple sclerosis, Huntington's disease, Alzheimer's disease, etc.