The term for a species at risk of extinction is "endangered species." Endangered species are those populations that are facing a high risk of extinction in the wild due to factors such as habitat loss, poaching, climate change, and pollution. The International Union for Conservation of Nature (IUCN) classifies species into different categories based on their risk levels, ranging from "least concern" to "critically endangered." Conservation efforts are essential to protect endangered species and their habitats, aiming to prevent further decline and promote recovery through various strategies, including habitat preservation, legal protections, and breeding programs.