Amphibians present are frogs, toads and newts. Examples are frogs and toads, salamanders, newts and caecilians (which resemble snakes). Adders also feed on amphibians, such as frogs, newts, and salamanders. Amphibians also indicate a perennial stream and range from tadpoles, frogs, salamanders, and newts. Their prey includes mammals, birds, amphibians like frogs and newts, and lizards. Occasionally bats, newts and salamanders, and even fish are eaten. In newts and salamanders, metamorphosis is less dramatic than in frogs. The moist environment is preferred by many native amphibian species, particularly newts and salamanders. Salamandridae is a family of salamanders consisting of true salamanders and newts. The Salamandrians are a race of humanoid aliens that resemble newts and salamanders. It may also eat vertebrates such as fish, newts, and frogs. Great crested newts and adders are present, and local flora includes orchids and broad-leaved helleborines. Glacial cirques hold many small lakes stocked with trout and ponds frequented by newts. Habitats of rough-skinned newts are found throughout the Pacific Northwest. Some newts secrete enough toxins to kill several adult humans.