Hobbies And Interests
Mammals
All mammals have vertebrae and hair, breathe oxygen and are warm-blooded. Mammals live in different climates and geographic areas in the United States. Some of the well known endangered mammals in the United States include certain types of fox, mouse, otter, sea lion and seal. Also included are classifications of jaguar, lynx, panther, prairie dog, puma, whale and wolf.
Birds
Birds are warm-blooded animals that have vertebrae and feathers and breathe oxygen. All female birds lay eggs for reproduction. Well known endangered birds in the United States include certain species of akekee, albatross, condor, crane, bald eagle, hawk, owl, penguin, tern and thrush.
Fish
Fish that inhabit the U.S. live in freshwater and salt water. Fish have skeletons and are cold-blooded. Most females lay eggs to produce spawn. Some of the more notable endangered fish in the United States include types of chub, dace, darter, pup fish, salmon, shiner, sturgeon, sucker and trout.
Reptiles and Amphibians
Reptiles and amphibians are cold-blooded vertebrates, which means their skin is scaly or moist. Reptiles and amphibians spend a majority of their time in or near water. Some of the more notable endangered reptiles and amphibians in the United States include types of alligator, crocodile, frog, lizard, salamander, snake, toad, tortoise, and turtle.
Insects, Snails, Crustaceans, Clams and Corals
Insects, snails, crustaceans, clams and corals live both on dry land or in the water. Some are extremely mobile while others spend most of their time in the same location. This group makes up the smallest portion of endangered animals in the United States.