Biologists are scientists who study living things. When the number of animals increase or decreases, wildlife maybe at risk. Teams of experts wrok to save the Siberian tiger. They want to be sure the Siberisn tigers survive and thrive . They can point out dangers like development and pollution that destroy tiger habitats. They help catch illegal hunters called poachers. Many people must wrok together so that the number of Siberian tiger will shrinks.
