Frogs and Toads of Georgia
Detailed species accounts with photos, illustrations, calls, and range maps for 32 species.
http://wwknapp.home.mindspring.com/GAFrog.Toad.html

Toronto Area Frogging
Volunteer to conduct an area frog survey or just look over the wealth of information available here.
http://www.zoo.utoronto.ca/natalie/frogpage.html

FrogWeb
A multi-agency initiative that provides information about recent, global declines and deformities among amphibian populations.
http://www.frogweb.gov

Exploratorium: Frogs
Features an online exhibition, frog myths across cultures, and sound files.
http://www.exploratorium.edu/frogs/

Kentucky Frogs and Toads
Listing of the species of frogs and toads that inhabit Kentucky. Offers photographs of species, a range map, and sound files of their calls.
http://bioweb.wku.edu/froglogger/

Deformed Frogs in Minnesota
Information on possible causes and what the MPCA and other organizations are doing about deformed frogs.
http://www.pca.state.mn.us/hot/frogs.html

Jurassic Frogs
Study on reconstructed skeleton of a frog that hopped among the dinosaurs nearly 200 million years ago.
http://sln2.fi.edu/inquirer/frog.html

Whole Frog Project
An interactive frog dissection kit, movies, sounds, and information.
http://www-itg.lbl.gov/ITG.hm.pg.docs/Whole.Frog/

Biology of the Frog
Information and facts including anatomy, life span, diseases, and history.
http://www.lookd.com/frogs

Frogs of the Malay Peninsula
Guide to the frogs of the Malay Peninsula (Thailand, Malaysia and Singapore), with photos, descriptions, and audio. Includes information about biology and ecology, checklists, field tips, and references.
http://frogweb.org/

Order Anura
Description of the families of the order, including characteristics and behaviour.
http://www.msu.edu/user/costabil/academic/portfolio/herp_lab/Anura.htm

Nova Scotia Frogs
Photos and descriptions of species endemic to the region.
http://museum.gov.ns.ca/mnh/nature/frogs/

Scientific American: Explaining Frog Deformities
An eight-year investigation into the cause of a shocking increase in deformed amphibians has sorted out the roles of three prime suspects.
http://www.sciam.com/article.cfm?articleID=000D5DCC-CA4A-1E1C-8B3B809EC588EEDF

Tadpoles of the United States and Canada: A Tutorial and Key
An approach to identifying frog larvae using characteristics of living tadpoles. Includes photographs.
http://www.pwrc.usgs.gov/tadpole/

MidWest Frogs
Video clips of frog calls in QuickTime format.
http://www.midwestfrogs.com/

Frogwatch USA
A frog and toad monitoring program by the National Wildlife Federation in partnership with the United States Geological Survey.
http://www.nwf.org/frogwatchUSA/

Frogs of Australia
A guide including descriptions, distributions, breeding calls, identification key, and a glossary.
http://frogs.org.au/frogs/

Frogs of New England
ThinkQuest resource and game page for students. It describes the anatomy, the habitats, and the life cycle of local amphibians.
http://library.thinkquest.org/11034/

Frogs Australia Network
Information about Australian frogs and their conservation.
http://www.frogsaustralia.net.au/

Westward Frog!
Information about the frogs and toads of California and threats to the survival of the state's amphibians. Includes a bibliography of field investigation methods and a directory of researchers.
http://ice.ucdavis.edu/CANVDecliningAmphibians/texthtml/wwfrog.html

Frogs of South America
Photographs of frogs of Ecuador, Trinidad, Tobago, and the Lesser Antilles.
http://www.morley-read.com/frogs_on_line/frogs_on_line.html

Amphibian Ark
An international partnership to ensure the global survival of amphibians, especially those that cannot be safeguarded in nature. Includes background information, campaign resources, activities, petition, news, and contacts.
http://www.amphibianark.org/

2008: Year of the Frog
Provides details of a campaign organised by the Amphibian Ark to raise public awareness of the amphibian extinction crisis and raise funds for conservation efforts.
http://www.amphibianark.org/yearofthefrog.htm