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  • 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
  • Deramakot Forest Reserve, Sabah, Borneo. Nikon D850, 105mm micronikkor, f9, 1/250sec, ISO320, 3 x Nikon SB2000 macroflashes, Manual modus
    Wallace's Flying Frog (3552-D).jpg
  • Well camouflaged frog (Limnonectes sp.?) in a small pond at the forest floor in Tanjung Puting National Park, Kalimantan, Borneo, Indonesia.
    60062-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
    3570-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
  • Jade-backed Stream Frog (Hylarana raniceps) from Kubah National Park, Sarawak, Borneo
    3568-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
  • Lesser Bornean narrow-mouthed frog, Microhyla boneensis (=M. nephenticola) is one of the World's smallest frog species (the specimen here is about 15mm long). Photo from Kubah National Park, Sarawak, Borneo.
    3566-D.jpg
  • Green Paddy Frog (Hylarana erythraea) from Tabin Wildlife Reserve, Sabah, Borneo. The frog is here feeding on another frog.
    3614-D.jpg
  • Mascarene ridged frog (Ptychadena mascareniensis) from eastern Madagascar.
    3677-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.
    3657-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
  • Very well campuflaged Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3562-D.jpg
  • Wallace's Flying Frog ( Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3550-D.jpg
  • Wallace's Flying Frog ( Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3548-D.jpg
  • Madagascar tomato frog (Dyscophus antongilii), eastern Madagascar (controlled conditions).
    3704-D.jpg
  • Madagascar tomato frog (Dyscophus antongilii), eastern Madagascar (controlled conditions).
    3702-D.jpg
  • Green bright-eyed frog (Boophis viridis) from Andasibe, eastern Madagascar.
    3659-D.jpg
  • Blue-back reed frog (Heterixalus madagascariensis) from Palmarium, eastern Madagascar.
    3655-D.jpg
  • Blue-back reed frog (Heterixalus madagascariensis) from Palmarium, eastern Madagascar.
    3652-D.jpg
  • Blue-back reed frog (Heterixalus madagascariensis) from Palmarium, eastern Madagascar.
    3653-D.jpg
  • Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3572-D.jpg
  • Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3561-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.
    3555-D.jpg
  • Wallace's Flying Frog ( Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3547-D.jpg
  • Madagascar tomato frog (Dyscophus antongilii), eastern Madagascar (controlled conditions).
    3703-D.jpg
  • Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3563-D.jpg
  • Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3560-D.jpg
  • Wallace's Flying Frog ( Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3554-D.jpg
  • Wallace's Flying Frog ( Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3557-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.
    3553-D.jpg
  • Wallace's Flying Frog ( Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3551-D.jpg
  • Wallace's Flying Frog (Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3552-D.jpg
  • Wallace's Flying Frog ( Rhacophorus nigropalmatus) from Deramakot Forest Reserve, Borneo.
    3549-D.jpg
  • Blue-back reed frog (Heterixalus madagascariensis) from Palmarium, eastern Madagascar.
    3656-D.jpg
  • Bornean Horned Frog (Megophrys nasuta) from Kubah National Park, Sarawak, Borneo
    3359-D.jpg
  • Engraved bridge frog (Gephyromantis sculpturatus) from Andasibe, eastern Madagascar.
    3688-D.jpg
  • Yellow bellied puddle frog (Occidozyga laevis) from Kubah National Park, Sarawak, Borneo
    3576-D.jpg
  • Ryukyu brown frog (Rana kobai) from Amami Oshima, southern Japan.
    60056-D.jpg
  • Giant Tree Frog, (Litoria infrafrenata), Queensland, Australia.
    3008.jpg
  • Giant Tree Frog, (Litoria infrafrenata), Queensland, Australia.
    3007.jpg
  • White-whiskered Madagascar frog (Mantidactylus melanopleura) from Andasibe NP, eastern Madagascar.
    3701-D.jpg
  • Blue-back reed frog (Heterixalus madagascariensis) from Palmarium, eastern Madagascar.
    3654-D.jpg
  • The Pandanus frog (Guibemantis pulcher) from Andasibe, Madagascar.
    3646-D.jpg
  • Ryukyu brown frog (Rana kobai) from Amami Oshima, southern Japan.
    60054-D.jpg
  • Ryukyu brown frog (Rana kobai) from Amami Oshima, southern Japan.
    60055-D.jpg
  • Green bright-eyed frog (Boophis viridis) from Andasibe, eastern Madagascar.
    3660-D.jpg
  • Giant Tree Frog, (Litoria infrafrenata), Queensland, Australia.
    3110.jpg
  • Well camouflaged engraved bridge frog (Gephyromantis sculpturatus) from Andasibe, eastern Madagascar.
    3687-D.jpg
  • Mediterranean Tree Frog (Hyla meridionalis) from Camargue, Provence, southern France.
    3431-D.jpg
  • Mediterranean Tree Frog (Hyla meridionalis) from Camargue, Provence, southern France.
    3432-D.jpg
  • The Pandanus frog (Guibemantis pulcher) from Andasibe, Madagascar.
    3661-D.jpg
  • Small frog, probably from the genus Gephyromantis, from Nahampoana Private Reserve, Madagascar.
    3647-D.jpg
  • Rough-sided frog (Hylarana glandulosa) from Kinabatangan, Sabah, Borneo
    3615-D.jpg
  • Four-lined Tree Frog (Polypedates leucomystax) from Danum Valley, Sabah, Borneo.
    3611-D.jpg
  • Lowland large-eyed little frog (Leptobrachium abbotti) from Tanjung Puting National Park, Kalimantan, Borneo
    3602-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
  • Ruby Poison Frog (Ameerega parvula) from the rainforest of La Selva, Ecuador
    3542-D.jpg
  • Madagascar bright-eyed Frog (Boophis madagascariensis) from Andasibe NP, eastern Madagascar.
    3786-D.jpg
  • Striped burrowing frog (Cyclorana alboguttata) from Kakadu NP, Northern Territory, Australia
    3028.jpg
  • Beige bridge frog (Gephyromantis luteus) from Andasibe, eastern Madagascar.
    3697-D.jpg
  • Madagascar bright-eyed Frog (Boophis madagascariensis) from Ranomafana NP, eastern Madagascar.
    3667-D.jpg
  • The Pandanus frog (Guibemantis pulcher) from Andasibe, Madagascar.
    3662-D.jpg
  • Cricket Frog (Hylarana nicobariensis) from Tabin Wildlife Reserve, Sabah, Borneo.
    3613-D.jpg
  • Cricket Frog (Hylarana nicobariensis) from Tabin Wildlife Reserve, Sabah, Borneo.
    3612-D.jpg
  • Well camouflaged speckled sticky frog (Kalophrynus punctatus) from Tanjung Puting National Park, Kalimantan, Borneo.
    3603-D.jpg
  • Speckled sticky frog (Kalophrynus punctatus) from Tanjung Puting National Park, Kalimantan, Borneo.
    3604-D.jpg
  • White-eared Tree Frog (Feihyla kajau) from Kubah National Park, Sarawak, Borneo
    3596-D.jpg
  • White-eared Tree Frog (Feihyla kajau) from Kubah National Park, Sarawak, Borneo
    3593-D.jpg
  • Striped burrowing frog (Cyclorana alboguttata) from Kakadu NP, Northern Territory, Australia
    3017.jpg
  • Beige bridge frog (Gephyromantis luteus) from Andasibe, eastern Madagascar.
    3696-D.jpg
  • Green bright-eyed frog (Boophis viridis) from Andasibe, eastern Madagascar.
    3666-D.jpg
  • Green bright-eyed frog (Boophis viridis) from Andasibe, eastern Madagascar.
    3665-D.jpg
  • Four-lined Tree Frog (Polypedates leucomystax) from Danum Valley, Sabah, Borneo.
    3610-D.jpg
  • Speckled sticky frog (Kalophrynus punctatus) from Tanjung Puting National Park, Kalimantan, Borneo.
    3605-D.jpg
  • White-eared Tree Frog (Feihyla kajau) from Kubah National Park, Sarawak, Borneo
    3594-D.jpg
  • File-eared Tree Frog (Polypedates otilophus) from Danum Valley, Sabah, Borneo.
    3524-D.jpg
  • Green Paddy Frog (Hylarana erythraea) from Tabin Wildlife Reserve, Sabah, Borneo.
    3517-D.jpg
  • Dull Rocket frog (?), Allobates sp. (possibly A. marchesinatus) from the rainforest of La Selva, Ecuador
    3543-D.jpg
  • African Clawed Frog, Xenopus laevis. The first organisms to be cloned. Has attended three space shuttle missions. Lives permanently in water.
    3301-D.jpg
  • Unknown tree frog from La Selva, Ecuador.
    3485-D.jpg
  • Large tadpoles of the otton frog (Babina subaspera) from the temperate forest of Amami Oshima, southern Japan.
    60058-D.jpg
  • Large tadpole of the otton frog (Babina subaspera) from the temperate forest of Amami Oshima, southern Japan.
    60057-D.jpg
  • Madagascar bright-eyed Frog (Boophis madagascariensis) from Ranomafana NP, eastern Madagascar.
    3706-D.jpg
  • Collett's Tree Frog (Polypedates colletti) from Tanjung Puting National Park, Kalimantan, Borneo
    3601-D.jpg
  • File-eared Tree Frog (Polypedates otilophus) from Kubah National Park, Sarawak, Borneo
    3592-D.jpg
  • Collett's Tree Frog (Polypedates colletti) from Tanjung Puting National Park, Kalimantan, Borneo
    3600-D.jpg
  • File-eared Tree Frog (Polypedates otilophus) from Kubah National Park, Sarawak, Borneo
    3590-D.jpg
  • File-eared Tree Frog (Polypedates otilophus) from Kubah National Park, Sarawak, Borneo
    3588-D.jpg
  • File-eared Tree Frog (Polypedates otilophus) from Kubah National Park, Sarawak, Borneo
    3591-D.jpg
  • File-eared Tree Frog (Polypedates otilophus) from Kubah National Park, Sarawak, Borneo
    3589-D.jpg
  • Madagascar bright-eyed Frog (Boophis madagascariensis) from Ranomafana NP, eastern Madagascar.
    3668-D.jpg
  • Dark-eared Tree Frog (Polypedates macrotis) from Deramakot Forest Reserve, Sabah, Borneo
    3597-D.jpg
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Alf J. Nilsen Natural History images

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