Chemistry, Biology and related disciplines in the WWW

Riparian Frogs and True Frogs (Ranidae), Genera R: Herpetology

• Agile Frog, Spring Frog (Rana dalmatina) - Images.
• Amami Tip-nosed Frog (Rana (Eburana) amamiensis) - Images.
• American Bullfrog (Rana catesbeiana) - Images.
• American Bullfrog (Rana catesbeiana) - Text and Image.
• American Bullfrog (Rana catesbeiana) - Text and Images.
• American Bullfrog, Common Bullfrog, Bullfrog (Rana catesbeiana) - Image.
• Black-spotted Pond Frog (Rana (Pelophylax) nigromaculata) - Images.
• Brilliant Forest Frog (Rana warschewitschii) - Text and Image.
• Bronze Frog (Rana clamitans clamitans) - Text and Image.
• Bullfrog (Rana catesbeiana) - Text and Image.
• Bullfrog (Rana catesbeiana) - Text and Images.
• California Red-Legged Frog (Rana aurora) - Text and Images.
• California Red-legged Frog (Rana aurora draytonii) - Text and Images.
• Carpenter Frog (Rana virgatipes) - Text and Image.
• Cascades Frog (Rana cascadae) - Text and Image.
• Columbia Spotted Frog (Rana luteiventris) - Text and Images.
• Common Frog, European Common Frog (Rana temporaria) - Image.
• Common Greenback (Rana erythraea) - Text and Images.
• Copper-cheeked Frog (Rana chalconata) - Text and Images.
• Coruna Frog (Rana perezi) - Image.
• Crawfish Frog (Rana areolata) - Text and Image.
• Cricket Frog (Rana nicobariensis) - Text and Images.
• Daruma Pond Frog (Rana (Pelophylax) porosa brevipoda) - Images.
• Dybowski's Brown Frog (Rana (Rana) dybowskii) - Images.
• Edible Frog (Rana esculenta) - Images.
• Ezo Brown Frog (Rana (Rana) pirica) - Image.
• Florida Leopard Frog (Rana sphenocephala sphenocephala) - Text and Images.
• Foothill Yellow-legged Frog (Rana boylii) - Text and Image.
• Foothill Yellow-legged Frog (Rana boylii) - Text and Image.
• Gopher Frog (Rana capito) - Text and Image.
• Grasfrosch ( Rana temporaria ) - Text und Abbildung.
• Grasfrosch (Rana temporaria) - Text und Abbildung.
• Grasfrosch (Rana temporaria) - Text und Abbildungen.
• Grasfrosch (Rana temporaria) - Text und Abbildungen.
• Grasfrosch (Rana temporaria) (Eerika Schulz) - Abbildung.
• Green Frog (Rana clamitans) - Text and Image.
• Holst's Frog (Rana (Babina) holsti) - Images.
• Iberian Frog (Rana iberica) - Image
• Indian Rice Frog (Rana (Limnonectes) limnocharis limnocharis) - Images.
• Ishikawa's Frog (Rana ishikawae) - Images.
• Italian Frog (Rana italica) - Images.
• Japanese Brown Frog (Rana (Rana) japonica) - Images.
• Kleiner Wasserfrosch (Rana lessonae) (Frank Teigler) - Abbildungen.
• Large Tip-nosed Frog (Rana (Eburana) supranarina) - Images.
• Leopard Frog (Rana pipiens complex) - Text and Images.
• Leopardfrosch (Rana pipiens) (Frank Teigler) - Abbildungen.
• Marsh Frog, Lake Frog, Central Asian Pond Frog (Rana ridibunda) - Images.
• Masked Rough-sided Frog (Rana laterimaculata) - Text and Images.
• Mink Frog (Rana septentrionalis) - Text and Image.
• Montane Brown Frog (Rana (Rana) ornativentris) - Images.
• Moorfrosch (Rana arvalis) (Frank Teigler) - Abbildung.
• Moorfrosch (Rana arvalis) - Text und Abbildungen.
• Mountain Yellow-legged Frog (Rana muscosa) - Text and Image.
• Mountain Yellow-legged Frog (Rana muscosa) - Text and Images.
• Nordamerikanischer Ochsenfrosch - eine Bedrohung unserer heimischen Tierwelt?
• Nordamerikanischer Ochsenfrosch (Rana catesbeiana) - Text und Abbildung.
• Northern Leopard Frog (Rana pipiens) - Text and Image.
• Northern Leopard Frog (Rana pipiens) - Text and Image.
• Northern Red-legged Frog (Rana aurora aurora) - Text and Images.
• Oki Tago's Brown Frog (Rana (Rana) tagoi okiensis) - Images.
• Okinawa Tip-nosed Frog (Rana (Eburana) narina) - Images.
• Oregon Spotted Frog (Rana pretiosa) - Text and Images.
• Otton Frog (Rana (Babina) subaspera) - Images.
• Pickerel Frog (Rana palustris) - Text and Image.
• Pig Frog (Rana grylio) - Text and Image.
• Pig Frog (Rana grylio) - Text and Images.
• Poisonous Rock Frog (Rana hosii) - Text and Images.
• Pool Frog (Rana lessonae) - Text and Images.
• Rana amurensis - Image.
• Rana angolensis - Image.
• Rana arvalis - Images.
• Rana arvalis - Images.
• Rana arvalis arvalis - Image.
• Rana asiatica - Image.
• Rana aurora - Image.
• Rana aurora aurora - Images.
• Rana aurora draytonii - Images.
• Rana bedriagae - Image.
• Rana bergeri - Images.
• Rana berlandieri - Images.
• Rana blairi - Images.
• Rana boylii - Images.
• Rana cascadae - Images.
• Rana catesbeiana - Images.
• Rana chiricahuensis - Images.
• Rana clamitans - Images.
• Rana clamitans melanota - Images.
• Rana daemeli - Image.
• Rana dalmatina - Images.
• Rana dalmatina - Images.
• Rana draytonii - Images.
• Rana dybowskii - Images.
• Rana esculenta - Images.
• Rana esculenta - Images.
• Rana forreri - Images.
• Rana fuscigula - Images.
• Rana galamensis - Image.
• Rana graeca - Image.
• Rana grylio - Images.
• Rana heckscheri - Images.
• Rana hosii - Images.
• Rana iberica - Image.
• Rana lessonae - Images.
• Rana lessonae - Images.
• Rana luteiventris - Images.
• Rana macrocnemis - Image.
• Rana maculata - Images.
• Rana magnaocularis - Image.
• Rana margaretae - Images.
• Rana miopus - Image.
• Rana muscosa - Images.
• Rana nigromaculata - Image.
• Rana okinavana - Images.
• Rana palmipes - Image.
• Rana palustris - Images.
• Rana perezi - Images.
• Rana pipiens - Images.
• Rana pretiosa - Images.
• Rana ridibunda - Image.
• Rana ridibunda - Images.
• Rana rugosa - Images.
• Rana sakuraii - Images.
• Rana sevosa - Images.
• Rana signata - Image.
• Rana sphenocephala - Images.
• Rana sylvatica - Images.
• Rana tarahumarae - Image.
• Rana taylori - Images.
• Rana temporaria - Images.
• Rana temporaria temporaria - Image.
• Rana terentievi - Image.
• Rana tsushimensis - Image.
• Rana warszewitschii - Image.
• Red-legged Frog (Rana aurora) - Text and Image.
• Rhinoceros Frog (Limnonectes plicatellus) - Text and Images.
• Rotohrfrosch (Rana erytharea) (Frank Teigler) - Abbildung.
• Ryukyu Brown Frog (Rana (Rana) okinavana) - Images.
• Sakishima Rice Frog (Rana (Limnonectes) sp.) - Images.
• Schlegel's Java Frog (Rana chalconata) - Text and Image.
• Schreifrosch (Rana clamitans) (Frank Teigler) - Abbildung.
• Seefrosch (Rana ridibunda) (Frank Teigler) - Abbildungen.
• Seefrosch (Rana ridibunda) - Text und Abbildung.
• Seefrosch (Rana ridibunda) - Text und Abbildung.
• Southern Leopard Frog (Rana utricularia) - Text and Image.
• Spotted Frog (Rana pretiosa) - Text and Image.
• Spotted Stream Frog (Rana signata) - Text and Images.
• Springfrosch (Rana dalmatina) - Text und Abbildung.
• Springfrosch (Rana dalmatina) - Text und Abbildungen.
• Stream Brown Frog (Rana (Rana) sakuraii) - Images.
• Südostasiatischer Reisfrosch (Rana limnocharis) (Frank Teigler) - Abbildung.
• Tago's Brown Frog ( Rana (Rana) tagoi tagoi) - Images.
• Teichfrosch - Text und Abbildungen.
• Teichfrosch, Wasserfrosch (Rana kl. esculenta) - Text und Abbildungen.
• Three-striped Frog (Rana miopus) - Text and Images.
• Tokyo Daruma Pond Frog (Rana (Pelophylax) porosa porosa) - Images.
• Tsushima Brown Frog (Rana (Rana) tsushimensis) - Image.
• Tümpelfrosch, Kleiner Wasserfrosch (Rana lessonae) - Text und Abbildung.
• Utsunomiya's Tip-nosed Frog (Rana (Eburana) utsunomiyaorum) - Image.
• Wasserfrosch (Rana esculenta) (Eerika Schulz) - Abbildung.
• Wasserfrosch (Rana esculenta) (Eerika Schulz) - Abbildung.
• Wrinkled Frog (Rana (Rugosa) rugosa) - Images.
• Yaeyama Harpist Frog (Rana (Nidirana) psaltes) - Images.
• Yakushima Tago's Brown Frog (Rana (Rana) tagoi yakushimensis) - Image.