The following links are meant to be helpful resources. I do not formally endorse any product.
General Herpetile Information/Resources
AmphibiaWeb - provides information on amphibian declines, natural history, conservation, and taxonomy
HerpMapper - gathers and provides information on herptile distributions
Herpetological Conservation and Biology - open access journal
American Society for Ichthyologists and Herpetologists
Herpetologists League
Society for the Study of Amphibians and Reptiles
Partners in Amphibian and Reptile Conservation
Citizen Science
Frog and Toad surveys - all states conduct citizen-led frog and toad surveys. Contact your local DNR or similar state agency for more information
GIS Mapping:
QGIS - free open source GIS mapping
The National Map - GIS map layers from USGS
General Herpetile Information/Resources
AmphibiaWeb - provides information on amphibian declines, natural history, conservation, and taxonomy
HerpMapper - gathers and provides information on herptile distributions
Herpetological Conservation and Biology - open access journal
American Society for Ichthyologists and Herpetologists
Herpetologists League
Society for the Study of Amphibians and Reptiles
Partners in Amphibian and Reptile Conservation
Citizen Science
Frog and Toad surveys - all states conduct citizen-led frog and toad surveys. Contact your local DNR or similar state agency for more information
GIS Mapping:
QGIS - free open source GIS mapping
The National Map - GIS map layers from USGS