Amphibians

• Amphibian Embryology Tutorial
• Amphibian Photographs from the CalPhotos Collection, University of California, Berkeley
• A Key to the Anuran Tadpoles of the United States and Canada
• Tutorial on Tadpole Morphology
• Frog Calls NARCAM Online Guide for Amphibians in the US and Canada
• Texas Parks & Wildlife, Key to Amphibians

Herpetofauna

• Cortland Herpetology Connection, Herptile Identification Keys
• Herpetology of the Pacific Northwest, A Dichotomous Key for PNW Herpetofauna

Reptiles

• Crocodilian, Tuatara, and Turtle species of the world, an Online Taxonomic and Geographic Reference
• Garter Snake Key
• Key to Lizards of Washington
• Key to Snakes of Washington
• Reptile Photographs from the CalPhotos Collection, University of California, Berkeley

Phylogeny and Diversity

• ITIS Integrated Taxonomic Information System
• The Animal Diversity Web Home Page
• Class Lissamphibia
• Class Reptilia
• The Tree of Life Home Page
• Caudata
• Salientia

Museums With Herpetology Collections

• American Museum of Natural History
• Arizona-Sonora Desert Museum
• Burke Museum
• California Academy of Sciences Herpetology Department
• Cornell University Herpetology Collection
• Florida Museum of Natural History Herpetology Home Page
• Georgia Museum of Natural History
• Harvard University, Museum of Comparative Zoology
• Milwaukee Public Museum
• San Diego Natural History Museum
• The Combined Index to Herpetology Collections
• The Natural History Museum of Los Angeles County
• The West Virginia Biological Survey Museum
• Zoological Institute of the Russian Academy of Sciences

Herpetological Virtual Anatomy and Movement Research

• Virtual Frog Dissection Kit Version 2.0
• Netfrog The Interactive Frog Dissection
• The Visible Alligator Skull
• Simulated Salamander Locomotion

Herpetological Quizzes 

• Cortland Herpetology Connection, The Herp Identification Quiz
• Cortland Herpetology Connection, The Herp Quiz Challenge
• Frog and Toad Quiz by the Patuxent Wildlife Research Center
• Florida Snake Quiz by the Stetson University Pigmy Rattlesnake Research Group

Regional Herpetology Sites

• An Introduction to the Natural History of the Frogs and Toads of Ohio
• Checklist of Texas Reptiles
• Herps of Texas
• Iowa Herpetology
• Minnesota Herpetology
• New York State Amphibian and Reptile Atlas Project
• Pennsylvania Herpetological Atlas Project
• RAVON Volunteer Amphibian, Reptile and Fish Research in the Netherlands
• Scientific and Common Names of Texas Amphibians
• The Minnesota Herpetological Society
• US Amphibians Distribution Maps
• Wisconsin Herpetology Homepage
• ZOOLOGY - University of Toronto - Frogging Reports for the Toronto Area

Herpetological Societies and Journals

• ASIH American Society of Ichthyologists and Herpetologists
• Colorado Herpetological Society
• Contemporary Herpetology
• PNARC Pacific Northwest Amphibian and Reptile Consortium
• SSAR Society for the Study of Amphibians and Reptiles
• The Herpetologists’ League
• The Chicago Herpetological Society

Herpetology Courses & Educational Information

• Oregon State University Herpetology Course
• University of Texas Herpetology Course
• University of Tasmania, Department of Zoology, Herpetology Facilities and Projects

Field of Herpetology

• Anapsid.org

CGEE A Thousand Friends of Frogs

• http://cgee.hamline.edu/frogs/

Methods for Herpetological Inventory & Monitoring

• PWRC Power Analysis of Monitoring Programs
• Inventory Methods for Plethodontid Salamanders
• Inventory Methods for Pond-Breeding Amphibians and Painted Turtles
• Inventory Methods for Tailed Frogs and Pacific Giant Salamanders
• Inventory Methods for Snakes
• Herpetology Atlas (Animal Species Diversity)

US Research labs

• Autodax The Website of Salamander Research
• Cannatella Lab, The University of Texas, Austin
• Cortland Herpetology Connection, State University of New York College at Cortland
• Harvard University, Department of Herpetology
• Highlands Biological Station
• Humboldt State Herpetology Group
• Savannah River Herpetology Lab
• University of Florida Herpetology Programs and Faculty
• Verrell Lab Home Page
• West Virginia Herpetology Lab

International Research Labs

• Hawkesbury Herpetology Research Group, University of Western Sydney

General Links

• CEE-TV Contaminant Exposure and Effects Terrestrial Vertebrates Database
• CNAAR Center for North American Amphibians And Reptiles
• EARTHERP Herpetological Education, Research & Preservation
• eNature.com
• Herplit Database 50,000 Searchable Citations
• Herpetology Hotlinks
• NatureServe
• NBII BioBot Database
• PARC Partners in Amphibian and Reptile Conservation
• The Herptox Page, The effects of environmental contaminants on reptiles and amphibians
• Wildlife Rehabilitation, Reptiles and Amphibians

Reptiles

• Crocodilian Photo Gallery
• Crocodile Specialist Group
• Sea Turtle Survival League Caribbean Conservation
• The EMBL Reptile Database
• The Pigmy Rattlesnake Homepage

Fun Herpetological Stuff

• Newt Links
• What’s a Life List and Why Keep One?

Amphibians

• AmphibiaWeb, the source for amphibian data
• FroglogUSGS Frog and Amphibian Research
• Westward Frog, Western Amphibians

Amphibian Declines and Malformations

• Amphibian Declines and Deformities
• Amphibian Diseases Home Page
• DAPTF Declining Amphibian Populations Task Force Home Pages
• Declining Amphibian Populations Task Force, Southwestern United States Working Group
• Deformed Amphibian Research at Hartwick College
• Emerging Infectious Diseases and Amphibian Population Declines
• Great Lakes Declining Amphibians Working Group
• NARCAM North American Reporting Center for Amphibian Malformations
• NBII National Biological Information Infrastructure - FrogWeb

Herpetologists’ Web Sites

• Chad Arment’s Herpetology Web Page
• Jason Lowe’s research -Effects of prescribed understory fire on two terrestrial salamanders.
• John Reiss’s Home Page
• Mike Pingleton’s Herpetofauna Life List (Great Photos)