What is a richness of Martens?

Martens is a genus of small carnivorans native to the forests of Europe, Asia, and North America. They are typically solitary, nocturnal animals that feed on a variety of small prey, including rodents, birds, and insects. Martens are known for their agility and climbing ability, and they are often found in trees.

The richness of Martens refers to the diversity of species within the genus. There are currently 13 recognized species of Martens, each with its own unique characteristics and distribution. The most common species is the European pine Marten (Martes martes), which is found throughout much of Europe. Other notable species include the American marten (Martes americana), which is found in North America, and the Japanese marten (Martes melampus), which is found in Japan.

Martens are an important part of the forest ecosystem, as they help to control the populations of small prey species. They are also a valuable furbearer, and their fur is used to make a variety of clothing and other products.