USGS - science for a changing world

Science Topics

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS
You are here: Topics > Organisms > Animals > Vertebrates
Help
Amphibians
Vertebrates of the class Amphibia including frogs and toads (Anura), salamanders (Urodela), caecilians (Apoda) and extinct forms which are cold-blooded and have life stages in water as eggs and larval forms (tadpoles)until they metamorphose as adults.
Subtopics:
(none)
Related topics:
Results 1 - 19 of 19 listed by similarity [list alphabetically]
Amphibian Research and Monitoring Initiative [New Window]
Homepage for the Dept. of the Interior's Initiative coordinated by the USGS, for amphibian (frogs, toads, salamanders and newts) monitoring, research, and conservation. Links to National Atlas for Amphibian Distribution, photos, and interactive map serve
Amphibian declines and deformities [New Window]
Amphibian population declines and deformities due to various causes including land use change, viruses, and fungi. Links to USGS press releases, answers to FAQs (HTML and PDF versions) and photos with downloadable files.
Amphibian malformation and decline [New Window]
Frog malformation studies at the USGS National Wildlife Health Center in Madison, Wisconsin to document scope and to determine the causes of the observed malformations.
Amphibians & reptiles of the southeastern United States and the U.S. Virgin Islands [New Window]
Links to information on species of frogs, toads, and salamanders located in the southeastern United States and the U.S. Virgin Islands, with information on appearance, habitats, calls, and status, plus photos, glossary, and provisional data.
PDF Amphibians of Olympic National Park [New Window]
Fact sheet (PDF format) on amphibians in Olympic National Park and overview of the habitat, the decline in populations, and rare amphibians in the Pacific Northwest including the giant salamander and tailed frog.
Biological resource status and trends: Amphibians [New Window]
Information concerning status and trends of biological resources, focusing on Amphibians
Detecting Amphibian-Killing Fungus Helps Scientists Study Amphibian Declines [New Window]
Research findings and examples of application to real problems--a new method to track down amphibian disease in the environment.
Farm ponds as critical habitats for native amphibians [New Window]
Constructed farm ponds represent significant breeding, rearing, and overwintering habitat for amphibians in the Driftless Area Ecoregion of Minnesota, Wisconsin, and Iowa. Links to fact sheet, brochure, annual reports, field manual, and final report.
Field guide to amphibian larvae and eggs of Minnesota, Wisconsin, and Iowa [New Window]
Field guide to identify amphibian species from the larvae and eggs. Available to download in Adobe PDF or UMESC format.
Field guide to the reptiles and amphibians of coastal Southern California [New Window]
Field guide to identify the reptiles and amphibians of coastal Southern California with glossary and map.
North American Amphibian Monitoring Program (NAAMP) [New Window]
The North American Amphibian Monitoring Program (NAAMP) is a long-term monitoring program designed to track the status and trends of frog and toad populations with links to data access, protocol, and how to volunteer as an observer.
Radio-tracking amphibians: lessons from implant and external attachment procedures [New Window]
Paper from Forum on Wildlife Telemetry, Snowmass Village, CO, 1997, describes technique for implanting radio-transmitters for tracking amphibians such as frogs with telemetry.
Southeastern Amphibian Research and Monitoring Initiative [New Window]
Overview of the Southeastern Amphibian Research and Monitoring Initiative, annual report, field methods and protocols, statistical design and analysis, glossary, projects, and lists of frogs, toads and salamanders.
Biological resource status and trends: Frogs and toads [New Window]
Information concerning status and trends of biological resources, focusing on frogs and toads
Biological resource status and trends: Salamanders [New Window]
Information concerning status and trends of biological resources, focusing on salamanders
Current research at the Patuxent Wildlife Research Center [New Window]
Search interface for current research activities at the Patuxent Wildlife Research Center, located in Maryland north of Washington DC
Patuxent Fact Sheets [New Window]
Access to Patuxent Wildlife Research Center fact sheets (PDFs) providing summaries of center studies on coastal ecosystems, birds, amphibians, taxonomy and other subjects and on center activities including partners and volunteer program.
Patuxent Wildlife Research Center monitoring program [New Window]
Entry to biomonitoring projects studying the status and trends of the nation's environmental resources and programs studying amphibians and birds. Links to long-term programs, resources and references, and related links.
Tadpoles of the United States and Canada: a tutorial and key [New Window]
Key and tutorial to identify species of tadpoles from North America with color photographs.


Alphabetical Index of Topics a b c d e f g h i j k l m n o p q r s t u v w x y z

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.usgs.gov/science//science/science.php?term=37&type=theme
Page Contact Information: Ask USGS