Explain simply why The jaguar is the correct answer to: Passage: The jaguar is the largest cat species in the Americas and the third-largest after the tiger and the lion. This spotted cat closely resembles the leopard, but is usually larger and sturdier. It ranges across a variety of forested and open terrains, but its preferred habitat is tropical and subtropical moist broadleaf forest, swamps and wooded regions. The jaguar enjoys swimming and is largely a solitary, opportunistic, stalk-and-ambush predator at the top of the food chain. As a keystone species it plays an important role in stabilizing ecosystems and regulating prey populations.

Question: Based on this passage, what is the largest cat in the americas?. Explanation:
To answer the above question, the relevant sentence is: The jaguar is the largest cat species in the Americas and the third-largest after the tiger and the lion.