Canyon Treefrog (Hyla arenicolor)
- Includes photos, range map, and information on physical characteristics.
- http://www.npwrc.usgs.gov/resource/herps/amphibid/species/harenico.htm

Squirrel Treefrog (Hyla squirella)
- Includes photo, range map, and description of physical traits.
- http://www.npwrc.usgs.gov/resource/herps/amphibid/species/hsquirel.htm

Green Treefrog (Hyla cinerea)
- Provides photos, sound recording, and facts on size, habits, and breeding.
- http://www.bio.davidson.edu/projects/herpcons/herps_of_NC/anurans/Hyl_cin.html

Japanese Tree Frog (Hyla japonica)
- Photo and species account, including distribution, habitat, and behavior.
- http://www.amphibiaweb.org/cgi-bin/amphib_query?query_src=aw_lists_genera_&table=amphib&where-genus=Hyla&where-species=japonica

Hallowell's Tree Frog (Hyla hallowellii)
- Includes conservation status, distribution information, and life history. Provides a photo.
- http://www.amphibiaweb.org/cgi-bin/amphib_query?query_src=aw_lists_genera_&table=amphib&where-genus=Hyla&where-species=hallowellii

Pinewoods Treefrog (Hyla femoralis)
- Provides photo and species account, including physical description and habitat information.
- http://www.amphibiaweb.org/cgi-bin/amphib_query?query_src=aw_lists_genera_&table=amphib&where-genus=Hyla&where-species=femoralis

Mountain Treefrog (Hyla eximia)
- Conservation status, physical traits, and life history. Includes sound recording.
- http://www.amphibiaweb.org/cgi-bin/amphib_query?query_src=aw_lists_genera_&table=amphib&where-genus=Hyla&where-species=eximia

Cope's Gray Treefrog (Hyla chrysoscelis)
- Fact sheet includes conservation status, physical characteristics, and life history. Image provided.
- http://www.amphibiaweb.org/cgi-bin/amphib_query?query_src=aw_lists_genera_&table=amphib&where-genus=Hyla&where-species=chrysoscelis

Pacific Treefrog (Hyla regilla)
- Provides basic facts and information on feeding and life history. Includes photos.
- http://collections.ic.gc.ca/amphibians/taxa/species/hyla_regilla.html

Bird-Voiced Treefrog (Hyla avivoca)
- Species account describes range, habitat, physical traits, and habits. Includes photo.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Hyla_avivoca.html

Barking Treefrog (Hyla gratiosa)
- Photos, identification tips, and facts on habitat, breeding, and range. Includes sound recording.
- http://wwknapp.home.mindspring.com/docs/barking.tfrog.html

California Treefrog (Hyla cadaverina)
- Species account describes physical characteristics, voice, natural history, and range. Includes photos of adult, tadpole, and habitat.
- http://www.californiaherps.com/frogs/pages/p.cadaverina.html

Common Tree Frog (Hyla arborea)
- Facts on conservation status, physical traits, distribution, habitat, life history, and threats. Includes photo.
- http://www.amphibiaweb.org/cgi-bin/amphib_query?query_src=aw_lists_genera_&table=amphib&where-genus=Hyla&where-species=arborea

Pine Barrens Treefrog (Hyla andersonii)
- Geographic range, habitat, physical characteristics, and information on behavior, diet, and conservation status.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Hyla_andersonii.html