See also Biology

General

• Animal Diversity Web - a searchable encyclopedia of thousands of photos, descriptions, sound recordings, & other information about individual animal species. Find out about amphibians, arthropods, birds, fishes, insects, mammals, mollusks, reptiles, & sharks. Explore special features on mammals, skulls, & frog calls. Students are invited to contribute.(NSF)
• Fisheries & Aquatic Resources - provides information about managed fish populations throughout the U.S., as well as watershed-based data & state-by-state fishing resources. Learn about freshwater & marine fishes, aquatic invertebrates, water quality & habitats, & dams & fish passage. Fishbase, a global database, provides names, pictures, & key facts about more than 25,000 fish species.
• North American Mammals - discription, range and photo for over 400 mammal species
• America's National Wildlife Refuge System

Reports

• Fisheries & Aquatic Resources - provides information about managed fish populations throughout the U.S., as well as watershed-based data & state-by-state fishing resources. Learn about freshwater & marine fishes, aquatic invertebrates, water quality & habitats, & dams & fish passage. Fishbase, a global database, provides names, pictures, & key facts about more than 25,000 fish species.
• Biology: U.S. Geological Survey - provides research results, photos, projects, and other resources for studies in biology, biodiversity, and ecology. Learn about butterflies and moths of North America, bat research, invasive species, environmental contaminants' effects on plants and animals, redwood research, surf scoters, sea otters, reptiles and amphibians of southern California, the desert tortoise, habitat conservation, and genetic diversity across different species groups.

U.S. Fish & Wildlife Service --

• Mountain-Prairie Region -- CO, KS, MT, NE, ND, SD, UT, WY
• Colorado National Wildlife Refuges
• Colorado Partners for Fish and Wildlife
• Threatened & Endangered Species in Colorado

Colorado Specific

• Colorado Division of Wildlife
• Lions, Ferrets & Bears: A Guide to the Mammals of Colorado -- published by Colorado Outdoors Magazine, a product of the Colorado Division of Wildlife

Fun

Smithsonian National Zoo - provides fact sheets and photos for many of the 2,400 mammals, birds, reptiles and amphibians, fish, and invertebrates at the National Zoo

Help

• Ask-a-Scientist - Zoology -- archives 1991+

Teaching Resources

• Biology Classroom Resources - provides lessons and resources from the National Science Digital Library; learn about cells, slugs, whales and dolphins, lions and tigers, turtles, biotechnology, biodiversity, genomics, paleontology, and Tyrannosaurus rex. Find online references, fast growing plants, images of animals, and interactive games on evolution and the animal kingdom.