What are the three levels of risk?

Why are Orange roughy endangered? Do male ivory billed woodpeckers look the same as female ivory billed woodpeckers? Are mocking birds indanger? What is the lifecycle of a red crowned crane? Who is helping the numbat get off the endangered list? What animals threaten cattle? A list of scary adverb words? Why are secretarybird endangered? What effects would the extinction of pandas have? How do you determine if a species is extinct on a phylogenetic tree? Do white crows exist? When do monarch butterflies come back to PA? Where does a bangel tiger live? 3 different uses for fossile fules? Where is a ring tail lemurs biome? When does the gray wolf hunt for food? What is an slogan or motto for tundra biome? What do paleontologists find in the evidence after a major extinction occurs? Are Irrawaddy dolphins rare? What is the primary cause of animal extinction?