amphibians

Over the next decade, the RETs wreaked havoc on the ecosystem, eating ducklings, small water birds, and other amphibians.

Some resemble insects, while others look like crustaceans, amphibians, and sharks and move fluidly.

The amphibians collected by the American Museum expedition to Nicaragua in 1916.

Most amphibians undergo a complete metamorphosis, or change of form, the young being unlike the adults.