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  • Boophis tasymena from Andasibe, eastern Madagascar.
    3664-D.jpg
  • Boophis tasymena from Andasibe, eastern Madagascar.
    3663-D.jpg
  • Gephyromantis sp. (G. luteus ?) from Andasibe, eastern Madagascar.
    3695-D.jpg
  • Gephyromantis sp. (?) from eastern Madagascar.
    3691-D.jpg
  • Well camouflaged engraved bridge frog (Gephyromantis sculpturatus) from Andasibe, eastern Madagascar.
    3687-D.jpg
  • Gephyromantis sp. (?) from Andasibe NP, eastern Madagascar.
    3692-D.jpg
  • Green bright-eyed frog (Boophis viridis) from Andasibe, eastern Madagascar.
    3659-D.jpg
  • Well camouflaged Gephyromantis sp. (G. luteus ?) from Andasibe, eastern Madagascar.
    3694-D.jpg
  • Mantidactylus sp. (?) from Andasibe, eastern Madagascar.
    3690-D.jpg
  • Engraved bridge frog (Gephyromantis sculpturatus) from Andasibe, eastern Madagascar.
    3688-D.jpg
  • Toad from the rainforest floor at LaSelva, Ecuador, probably belonging to the genus Rhinella.
    3977-D.jpg
  • Jade-backed Stream Frog (Hylarana raniceps) from Kubah National Park, Sarawak, Borneo
    3570-D.jpg
  • Kubah National Park, Sarawak, Borneo. Nikon D5, 105mm micronikkor, f11, 1/400sec, ISO500, 3 x SB2000 macroflash, Manual modus
    Bornean Horned Frog (3561-D).jpg
  • Egg strains of Toads (Bufo bufo). South-western Norway in April.
    3405-D.jpg
  • The rainforest of Ranomafana NP, eastern Madagascar. Do note the tiny Baron's Mantella (Mantella baroni).
    15221-D.jpg
  • Fighting for the female and the right to spawn among the common toad (Bufo bufo). Southern Norway, in April.
    60012-D.jpg
  • Common mistfrog (Ranoidea rheocola) from Daintree, Queensland, Australia.
    3115.jpg
  • White-whiskered Madagascar frog (Mantidactylus melanopleura) from Andasibe NP, eastern Madagascar.
    3701-D.jpg
  • Mascarene ridged frog (Ptychadena mascareniensis) from eastern Madagascar.
    3677-D.jpg
  • Unidentified and well camouflaged species of Gephyromantis from Ranomafana NP, eastern Madagascar.
    3669-D.jpg
  • Blue-back reed frog (Heterixalus madagascariensis) from Palmarium, eastern Madagascar.
    3657-D.jpg
  • Blue-back reed frog (Heterixalus madagascariensis) from Palmarium, eastern Madagascar.
    3653-D.jpg
  • Cricket Frog (Hylarana nicobariensis) from Deramakot Forest Reserve, Sabah, Borneo.
    3599-D.jpg
  • White-eared Tree Frog (Feihyla kajau) from Kubah National Park, Sarawak, Borneo
    3595-D.jpg
  • File-eared Tree Frog (Polypedates otilophus) from Kubah National Park, Sarawak, Borneo
    3592-D.jpg
  • File-eared Tree Frog (Polypedates otilophus) from Kubah National Park, Sarawak, Borneo
    3590-D.jpg
  • Limnonectes sp. (probably member of the L. "kuhlii"-species complex) from Kubah National Park, Sarawak, Borneo
    3586-D.jpg
  • Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3572-D.jpg
  • Very well campuflaged Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3562-D.jpg
  • Dull Rocket frog (?), Allobates sp. (possibly A. marchesinatus) from the rainforest of La Selva, Ecuador
    3543-D.jpg
  • Mating Toads, Bufo bufo.
    3392-D.jpg
  • Mating Toads, Bufo bufo.
    3381-D.jpg
  • The eyes of a common toad, Bufo bufo.
    3489-D.jpg
  • Mating Toads, Bufo bufo.
    3396-D.jpg
  • Amami green tree frog (Zhangixalus viridis amamiensis) from Amami Oshima, Japan.
    60052-D.jpg
  • Giant Tree Frog, (Litoria infrafrenata), Queensland, Australia.
    3008.jpg
  • Stumpffia sp. (possible S. tetradactyla?) from Andasibe, eastern Madagascar.
    3784-D.jpg
  • Striped burrowing frog (Cyclorana alboguttata) from Kakadu NP, Northern Territory, Australia
    3028.jpg
  • Scaphiophryne madagascariensis from eastern Madagascar (controlled conditions)
    3705-D.jpg
  • Madagascar tomato frog (Dyscophus antongilii), eastern Madagascar (controlled conditions).
    3704-D.jpg
  • Madagascar bright-eyed Frog (Boophis madagascariensis) from Ranomafana NP, eastern Madagascar.
    3706-D.jpg
  • Madagascar tomato frog (Dyscophus antongilii), eastern Madagascar (controlled conditions).
    3702-D.jpg
  • Mantidactylus aerumnalis from Andasibe NP, eastern Madagascar.
    3699-D.jpg
  • Beige bridge frog (Gephyromantis luteus) from Andasibe, eastern Madagascar.
    3697-D.jpg
  • Very well camouflaged Plethodontohyla sp., from Palmarium, eastern Madagascar.
    3680-D.jpg
  • Plethodontohyla sp., from Palmarium, eastern Madagascar.
    3678-D.jpg
  • Boophis sp. (Boophis cf. eleane) from Ranomafana NP, eastern Madagascar.
    3673-D.jpg
  • Andasibe National Park, Madagascar. Nikon D850, 105mm, f11, 1/250sec, ISO400, Nikon SB900 TTL, Manual modus
    Boophis tasymena (3664-D)Central bri...jpg
  • The Pandanus frog (Guibemantis pulcher) from Andasibe, Madagascar.
    3661-D.jpg
  • The Pandanus frog (Guibemantis pulcher) from Andasibe, Madagascar.
    3646-D.jpg
  • Well camouflaged speckled sticky frog (Kalophrynus punctatus) from Tanjung Puting National Park, Kalimantan, Borneo.
    3603-D.jpg
  • Lowland large-eyed little frog (Leptobrachium abbotti) from Tanjung Puting National Park, Kalimantan, Borneo
    3602-D.jpg
  • White-eared Tree Frog (Feihyla kajau) from Kubah National Park, Sarawak, Borneo
    3596-D.jpg
  • Harlequin Tree Frogs (Rhacophorus pardalis) spawn in Kubah National Park, Sarawak, Borneo
    3577-D.jpg
  • Yellow bellied puddle frog (Occidozyga laevis) from Kubah National Park, Sarawak, Borneo
    3576-D.jpg
  • Limnonectes sp.(?) from Kubah National Park, Sarawak, Borneo
    3574-D.jpg
  • Very well campuflaged Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3573-D.jpg
  • Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3571-D.jpg
  • Jade-backed Stream Frog (Hylarana raniceps) from Kubah National Park, Sarawak, Borneo
    3569-D.jpg
  • Jade-backed Stream Frog (Hylarana raniceps) from Kubah National Park, Sarawak, Borneo
    3567-D.jpg
  • Tadpoles of one of the World's smallest frog the Lesser Bornean narrow-mouthed frog (Microhyla boneensis (= M. nephenticola)), living inside the pitcher of Nepenthes ampullaria in Kubah National Park, Sarawak, Borneo
    3565-D.jpg
  • Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3561-D.jpg
  • Wallace's Flying Frog ( Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3550-D.jpg
  • Unidentified toad from the rainforest of La Selva, Ecuador. Possibly Rhinella sp.
    3545-D.jpg
  • Mating Toads, Bufo bufo.
    3395-D.jpg
  • Mating Toads, Bufo bufo.
    3402-D.jpg
  • Pair of Common toads ready to spawn. Photo from south-western Norway in late March 2012.
    3488-D.jpg
  • Fighting for the female and the right to spawn among the common toad (Bufo bufo). Southern Norway, in late March.
    3512-D.jpg
  • Mediterranean Tree Frog (Hyla meridionalis) from Camargue, Provence, southern France.
    3431-D.jpg
  • Tadploe
    3322-D.jpg
  • Large tadpoles of the otton frog (Babina subaspera) from the temperate forest of Amami Oshima, southern Japan.
    60058-D.jpg
  • Ryukyu brown frog (Rana kobai) from Amami Oshima, southern Japan.
    60056-D.jpg
  • Fighting for the female and the right to spawn among the common toad (Bufo bufo). Southern Norway, in April.
    60007-D.jpg
  • Very well camouflaged Plethodontohyla sp.(possibly P. notosticta) from Palmarium, eastern Madagascar.
    3790-D.jpg
  • Madagascar bright-eyed Frog (Boophis madagascariensis) from Andasibe NP, eastern Madagascar.
    3786-D.jpg
  • Plethodontohyla sp.(possibly P. notosticta), from Palmarium, eastern Madagascar.
    3682-D.jpg
  • Madagascar bright-eyed Frog (Boophis madagascariensis) from Ranomafana NP, eastern Madagascar.
    3668-D.jpg
  • Madagascar bright-eyed Frog (Boophis madagascariensis) from Ranomafana NP, eastern Madagascar.
    3667-D.jpg
  • Green bright-eyed frog (Boophis viridis) from Andasibe, eastern Madagascar.
    3665-D.jpg
  • Blue-back reed frog (Heterixalus madagascariensis) in its natural habitat close to the lake at Palerium, eastern Madagascar.
    3658-D.jpg
  • Blue-back reed frog (Heterixalus madagascariensis) from Palmarium, eastern Madagascar.
    3655-D.jpg
  • Philautus sp.(?) from Danum Valley, Sabah, Borneo
    3608-D.jpg
  • File-eared Tree Frogs (Polypedates otilophus) from Deramakot Forest Reserve, Sabah, Borneo
    3598-D.jpg
  • Leptobrachium sp, possibly L. ingeri, from Kubah National Park, Sarawak, Borneo
    3575-D.jpg
  • Tadpoles of one of the World's smallest frog the Lesser Bornean narrow-mouthed frog, (Microhyla boneensis (= M. nephenticola)), living inside the pitcher of Nepenthes ampullaria in Kubah National Park, Sarawak, Borneo
    3564-D.jpg
  • Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3558-D.jpg
  • Wallace's Flying Frog ( Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3556-D.jpg
  • Wallace's Flying Frog (Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3552-D.jpg
  • Fighting for the female and the right to spawn among the common toad (Bufo bufo). Southern Norway, in late March.
    3513-D.jpg
  • Common toad (Bufo bufo).
    3526-D.jpg
  • Unknown tree frog from La Selva, Ecuador.
    3485-D.jpg
  • Ryukyu brown frog (Rana kobai) from Amami Oshima, southern Japan.
    60054-D.jpg
  • Mating common toads (Bufo bufo). Southern Norway in April.
    60011-D.jpg
  • Mating common toads (Bufo bufo). Southern Norway in April.
    60010-D.jpg
  • Stumpffia sp. (possible S. tetradactyla?) from Andasibe, eastern Madagascar.
    3785-D.jpg
  • Striped burrowing frog (Cyclorana alboguttata) from Kakadu NP, Northern Territory, Australia
    3017.jpg
  • Madagascar tomato frog (Dyscophus antongilii), eastern Madagascar (controlled conditions).
    3703-D.jpg
  • Mantidactylus aerumnalis from Andasibe NP, eastern Madagascar.
    3698-D.jpg
  • Mantidactylus sp. (?) from Andasibe, eastern Madagascar.
    3689-D.jpg
  • Gephyromantis sp. (?) from Palmarium eastern Madagascar.
    3684-D.jpg
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Alf J. Nilsen Natural History images

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