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Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Wetlands, Bulgaria
01617867
Guy Edwardes / Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Wetlands, Bulgaria
Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Wetlands, Bulgaria
01617866
Guy Edwardes / Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Wetlands, Bulgaria
Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617192
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
Colorado river toad (Incilius alvarius) male calling to attract females, vocal sac filled with air. Sonoran desert, Arizona, USA. August.
01633572
John Cancalosi / Colorado river toad (Incilius alvarius) male calling to attract females, vocal sac filled with air. Sonoran desert, Arizona, USA. August.
Male American toad (Anaxyrus americanus) displaying, showing vocal sacs expanding, Maryland, USA, April.
01620390
John Cancalosi / Male American toad (Anaxyrus americanus) displaying, showing vocal sacs expanding, Maryland, USA, April.
Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617191
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617190
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
Male Mediterranean tree frog (Hyla meridionalis) calling under a lilypad, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617189
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling under a lilypad, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617187
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617186
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617185
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
01617184
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
Torrent frog (Hylodes sp) with vocal sacs. South-east atlantic forest So Luis do Paraitinga, Sao Paulo, Brazil
01592287
Joao Burini / Torrent frog (Hylodes sp) with vocal sacs. South-east atlantic forest So Luis do Paraitinga, Sao Paulo, Brazil
American green treefrog (Hyla cinerea) calling, vocal sac inflated, St. Jones Reserve, Delaware, USA, June.
01587830
Doug Wechsler / American green treefrog (Hyla cinerea) calling, vocal sac inflated, St. Jones Reserve, Delaware, USA, June.
Magnificent frigatebird (Fregata magnificens) male displaying, red throat pouch inflated, North Seymour Island, Galapagos.
01577876
Roy Mangersnes / Magnificent frigatebird (Fregata magnificens) male displaying, red throat pouch inflated, North Seymour Island, Galapagos.
Magnificent frigatebird (Fregata magnificens) male displaying, red throat pouch inflated, North Seymour Island, Galapagos.
01577875
Roy Mangersnes / Magnificent frigatebird (Fregata magnificens) male displaying, red throat pouch inflated, North Seymour Island, Galapagos.
Magnificent frigatebird (Fregata magnificens) male displaying, red throat pouch inflated, North Seymour Island, Galapagos.
01577874
Roy Mangersnes / Magnificent frigatebird (Fregata magnificens) male displaying, red throat pouch inflated, North Seymour Island, Galapagos.
Magnificent frigatebird (Fregata magnificens) male displaying with red throat pouch inflated, Genovesa Island, Galapagos.
01577868
Roy Mangersnes / Magnificent frigatebird (Fregata magnificens) male displaying with red throat pouch inflated, Genovesa Island, Galapagos.
Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
01508160
John Cancalosi / Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
01508159
John Cancalosi / Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
01508158
John Cancalosi / Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
01508157
John Cancalosi / Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
01508156
John Cancalosi / Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
01508155
John Cancalosi / Male American toad (Bufo americanus) calling to attract female, Ithaca, New York, USA, May.
African giant bullfrog (Pyxicephalus adspersus) male calling with vocal sac inflated, Central Kalahari Game Reserve. Botswana.
01569269
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) male calling with vocal sac inflated, Central Kalahari Game Reserve. Botswana.
African giant bullfrog (Pyxicephalus adspersus) male calling, Central Kalahari Game Reserve. Botswana.
01569262
Chris & Monique Fallows / African giant bullfrog (Pyxicephalus adspersus) male calling, Central Kalahari Game Reserve. Botswana.
Hourglass tree frog (Dendropsophus ebraccatus) male calling for mate, Carara National Park, Costa Rica.
01568183
Jen Guyton / Hourglass tree frog (Dendropsophus ebraccatus) male calling for mate, Carara National Park, Costa Rica.
Hourglass tree frog (Dendropsophus ebraccatus) male calling for mate, Carara National Park, Costa Rica.
01568180
Jen Guyton / Hourglass tree frog (Dendropsophus ebraccatus) male calling for mate, Carara National Park, Costa Rica.
Hourglass tree frog (Dendropsophus ebraccatus) male calling for mate, Carara National Park, Costa Rica.
01568179
Jen Guyton / Hourglass tree frog (Dendropsophus ebraccatus) male calling for mate, Carara National Park, Costa Rica.
African bullfrog (Pyxicephalus edulis) male calling for mate in newly formed seasonal pond, Gorongosa National Park, Mozambique
01568159
Jen Guyton / African bullfrog (Pyxicephalus edulis) male calling for mate in newly formed seasonal pond, Gorongosa National Park, Mozambique
Jayarami Bush frog (Raorchestes jayarami), inflating vocal sac, calling to attract mate, Anamalai Wildlife Sanctuary, India. Endemic to Western Ghats.
01554845
Yashpal Rathore / Jayarami Bush frog (Raorchestes jayarami), inflating vocal sac, calling to attract mate, Anamalai Wildlife Sanctuary, India. Endemic to Western Ghats.
Humayuns night frog (nyctibatrachus humayuni), male calling with vocal sacs inflated, sitting on leaf. Western Ghats Amboli, Maharashtra, India. Endemic. Vulnerable species
01554789
Yashpal Rathore / Humayuns night frog (nyctibatrachus humayuni), male calling with vocal sacs inflated, sitting on leaf. Western Ghats Amboli, Maharashtra, India. Endemic. Vulnerable species
Humayuns night frog (nyctibatrachus humayuni), close-up of male calling, vocal sacs inflated. Western Ghats Amboli, Maharashtra, India. Endemic. Vulnerable species
01554787
Yashpal Rathore / Humayuns night frog (nyctibatrachus humayuni), close-up of male calling, vocal sacs inflated. Western Ghats Amboli, Maharashtra, India. Endemic. Vulnerable species
Red-eyed treefrog (Agalychnis calidryas) calling, vocal sac inlated, Tortuguero National Park, Costa Rica.
01554260
Nick Hawkins / Red-eyed treefrog (Agalychnis calidryas) calling, vocal sac inlated, Tortuguero National Park, Costa Rica.
Frog (Pelophylax sp) calling with vocal sacs inflated. Burgundy, France, May.
01547507
Cyril Ruoso / Frog (Pelophylax sp) calling with vocal sacs inflated. Burgundy, France, May.
Frog (Pelophylax sp) calling with vocal sacs inflated. Burgundy, France, May.
01547505
Cyril Ruoso / Frog (Pelophylax sp) calling with vocal sacs inflated. Burgundy, France, May.
Common tree frog (Hyla arborea) male calling at night with inflated vocal sac. Burgundy, France, April.
01547503
Cyril Ruoso / Common tree frog (Hyla arborea) male calling at night with inflated vocal sac. Burgundy, France, April.
Common tree frog (Hyla arborea) male calling at night with inflated vocal sac. Burgundy, France, April.
01547502
Cyril Ruoso / Common tree frog (Hyla arborea) male calling at night with inflated vocal sac. Burgundy, France, April.
Common tree frog (Hyla arborea) male calling at night with inflated vocal pouch. Burgundy, France, April.
01547498
Cyril Ruoso / Common tree frog (Hyla arborea) male calling at night with inflated vocal pouch. Burgundy, France, April.
Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
01542281
Cyril Ruoso / Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
01542280
Cyril Ruoso / Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
01542279
Cyril Ruoso / Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
01542278
Cyril Ruoso / Pacific tree frog (Pseudacris regilla) male calling with vocal sac inflated, Conboy Lake National Wildlife Refuge, Washington, USA. March.
Marsh frog (Rana ridibunda) male with inflated vocal sacs. Bulgaria. May.
01527065
Melvin Grey / Marsh frog (Rana ridibunda) male with inflated vocal sacs. Bulgaria. May.
Puer tree frog (Rhacophorus puerensis) male calling, Gaoligong Mountain National Nature Reserve, Tengchong county, Yunnan Province, China. May.
01514962
Dong Lei / Puer tree frog (Rhacophorus puerensis) male calling, Gaoligong Mountain National Nature Reserve, Tengchong county, Yunnan Province, China. May.
Frog (Pristimantis peruvianus) calling with vocal sac inflated, Panguana Reserve, Huanuco province, Amazon basin, Peru.
01512794
Konrad Wothe / Frog (Pristimantis peruvianus) calling with vocal sac inflated, Panguana Reserve, Huanuco province, Amazon basin, Peru.
Frog (Pristimantis peruvianus) calling, Panguana Reserve, Huanuco province, Amazon basin, Peru.
01512802
Konrad Wothe / Frog (Pristimantis peruvianus) calling, Panguana Reserve, Huanuco province, Amazon basin, Peru.
Brilliant thighed poison frog (Allobates femoralis) calling, with vocal pouch inflated. Panguana Reserve, Huanuco province, Amazon basin, Peru.
01512840
Konrad Wothe / Brilliant thighed poison frog (Allobates femoralis) calling, with vocal pouch inflated. Panguana Reserve, Huanuco province, Amazon basin, Peru.
Brilliant thighed frog (Allobates femoralis) croacking, Panguana Reserve, Huanuco province, Amazon basin, Peru.
01512868
Konrad Wothe / Brilliant thighed frog (Allobates femoralis) croacking, Panguana Reserve, Huanuco province, Amazon basin, Peru.
Magnificent frigatebird (Fregata magnificens) male with pouch inflated. Galapagos.
01514263
Pete Oxford / Magnificent frigatebird (Fregata magnificens) male with pouch inflated. Galapagos.
Arabian toad (Duttaphrynus arabicus / Bufo arabicus) calling with vocal sac inflatedl, Oman, April.
01490351
Hanne & Jens Eriksen / Arabian toad (Duttaphrynus arabicus / Bufo arabicus) calling with vocal sac inflatedl, Oman, April.
Male Common treefrog (Hyla arborea) calling from the water surface, Belgium. April.
01476562
Bert Willaert / Male Common treefrog (Hyla arborea) calling from the water surface, Belgium. April.
Banana Frog (Dendropsophus ebraccatus) calling on leaf, Osa Peninsula, Costa Rica
01441867
Suzi Eszterhas / Banana Frog (Dendropsophus ebraccatus) calling on leaf, Osa Peninsula, Costa Rica
American toad (Anaxyrus americanus) male with vocal sac inflated whilst calling to attract females, New York, May
01442675
John Cancalosi / American toad (Anaxyrus americanus) male with vocal sac inflated whilst calling to attract females, New York, May
American toad (Anaxyrus americanus) male with vocal sac inflated whilst calling to attract females, New York, May
01442674
John Cancalosi / American toad (Anaxyrus americanus) male with vocal sac inflated whilst calling to attract females, New York, May
American toad (Anaxyrus americanus) male with vocal sac inflated whilst calling to attract females, New York, May
01442673
John Cancalosi / American toad (Anaxyrus americanus) male with vocal sac inflated whilst calling to attract females, New York, May
American toad (Anaxyrus americanus) male with vocal sac inflated whilst calling to attract females, New York, May
01442672
John Cancalosi / American toad (Anaxyrus americanus) male with vocal sac inflated whilst calling to attract females, New York, May
Sunset Frog (Spicospina flammocaerulea) calling, Denmark, Western Australia
01434796
Chris Mattison / Sunset Frog (Spicospina flammocaerulea) calling, Denmark, Western Australia
Common frog (Rana temporaria) male calling in the water, Finland, May
01430559
Jussi Murtosaari / Common frog (Rana temporaria) male calling in the water, Finland, May
Green frog (Rana esculanta) male displaying with vocal sacs inflated, Normandy, France
01425567
Denis-Huot / Green frog (Rana esculanta) male displaying with vocal sacs inflated, Normandy, France
Male Humayun's Wrinkled Frog (Nyctibatrachus humayuni) calling. Western Ghats, India. Vulnerable species.
01421229
Bert Willaert / Male Humayun's Wrinkled Frog (Nyctibatrachus humayuni) calling. Western Ghats, India. Vulnerable species.
Male Humayun's Wrinkled Frog (Nyctibatrachus humayuni) calling. Western Ghats, India, Vulnerable Species.
01421227
Bert Willaert / Male Humayun's Wrinkled Frog (Nyctibatrachus humayuni) calling. Western Ghats, India, Vulnerable Species.
Pool Frog (Rana lessonae) vocalising at surface, with vocal sacs inflated Danube delta rewilding area, Romania
01415918
Wild Wonders of Europe / Widstrand / Pool Frog (Rana lessonae) vocalising at surface, with vocal sacs inflated Danube delta rewilding area, Romania
RF- Pool Frog (Rana lessonae) vocalising with vocal sacs inflated, Danube delta rewilding area, Romania. (This image may be licensed either as rights managed or royalty free.)
01415915
Wild Wonders of Europe / Widstrand / RF- Pool Frog (Rana lessonae) vocalising with vocal sacs inflated, Danube delta rewilding area, Romania. (This image may be licensed either as rights managed or royalty free.)
RF- Pool Frog (Rana lessonae) sitting on white lily pad, Danube delta rewilding area, Romania. (This image may be licensed either as rights managed or royalty free.)
01415909
Wild Wonders of Europe / Widstrand / RF- Pool Frog (Rana lessonae) sitting on white lily pad, Danube delta rewilding area, Romania. (This image may be licensed either as rights managed or royalty free.)
Golden poison dart frog (Phyllobates terribilis) with throat pouch / vocal sacs expanded. Captive occurs Colombia. Endangered species
01391155
Rod Williams / Golden poison dart frog (Phyllobates terribilis) with throat pouch / vocal sacs expanded. Captive occurs Colombia. Endangered species
Marsh Frog (Rana ridibunda) showing prominent vocal sacs. East Sussex, England, April.
01355858
Andy Sands / Marsh Frog (Rana ridibunda) showing prominent vocal sacs. East Sussex, England, April.
RF- Male Rainforest Treefrog (Gephyromantis sp.) calling at night. Ranomafana National Park, SE Madagascar. (This image may be licensed either as rights managed or royalty free.)
01208908
Nick Garbutt / RF- Male Rainforest Treefrog (Gephyromantis sp.) calling at night. Ranomafana National Park, SE Madagascar. (This image may be licensed either as rights managed or royalty free.)
Frog {Manditactylus granulatus} showing twin vocal sacs, Madagascar
01059694
Pete Oxford / Frog {Manditactylus granulatus} showing twin vocal sacs, Madagascar
Marsh frog (Rana ridibunda perezii) male vocalising at water surface clearly showing vocal sacs, Spain
01186303
Jose B. Ruiz / Marsh frog (Rana ridibunda perezii) male vocalising at water surface clearly showing vocal sacs, Spain
Fowler's toad {Bufo woodhousii fowleri} male vocalising, vocal sacs inflated, Delaware, USA
01158873
Doug Wechsler / Fowler's toad {Bufo woodhousii fowleri} male vocalising, vocal sacs inflated, Delaware, USA
RF- Western green toad (Bufo debilis) male calling, vocal sac inflated. Chiricahua Mountains, Arizona, USA. (This image may be licensed either as rights managed or royalty free.)
01140659
Rolf Nussbaumer / RF- Western green toad (Bufo debilis) male calling, vocal sac inflated. Chiricahua Mountains, Arizona, USA. (This image may be licensed either as rights managed or royalty free.)
Common African Toad (Bufo regularis) male calling at night, vocal sacs inflated. Keny
01132433
Jane Burton / Common African Toad (Bufo regularis) male calling at night, vocal sacs inflated. Keny
RF- European edible frog male vocal sacs inflated (Rana esculenta) UK, captive. (This image may be licensed either as rights managed or royalty free.)
01132321
Kim Taylor / RF- European edible frog male vocal sacs inflated (Rana esculenta) UK, captive. (This image may be licensed either as rights managed or royalty free.)
Marsh frog with vocal sacs inflated in pool {Rana ridibunda} Iran
01061561
Nigel Marven / Marsh frog with vocal sacs inflated in pool {Rana ridibunda} Iran
Hourglass tree frog (Dendropsophus ebraccatus) sitting on leaf and calling, Veragua rainforest, Costa Rica.
01740084
Emanuele Biggi / Hourglass tree frog (Dendropsophus ebraccatus) sitting on leaf and calling, Veragua rainforest, Costa Rica.
Hourglass tree frog (Dendropsophus ebraccatus) sitting on leaf and calling, Veragua rainforest, Costa Rica.
01739903
Emanuele Biggi / Hourglass tree frog (Dendropsophus ebraccatus) sitting on leaf and calling, Veragua rainforest, Costa Rica.
American toad (Anaxyrus americanus) male sitting on a rock and displaying, showing vocal sac. The animal leaves the frame. Maryland, USA.
01724976
John Cancalosi / American toad (Anaxyrus americanus) male sitting on a rock and displaying, showing vocal sac. The animal leaves the frame. Maryland, USA.
Male Striped burrowing frog (Cyclorana alboguttata) calling, Cunnamulla, Queensland, Australia.
01690541
Bruce Thomson / Male Striped burrowing frog (Cyclorana alboguttata) calling, Cunnamulla, Queensland, Australia.
Darjeeling bush frog (Raorchestes annandalii) croaking, sitting on a leaf, Kalimpong, West Bengal, India.
01689846
Ripan Biswas / Darjeeling bush frog (Raorchestes annandalii) croaking, sitting on a leaf, Kalimpong, West Bengal, India.
Two male Darjeeling bush frogs (Raorchestes annandalii) fighting over territory, Kalimpong, West Bengal, India.
01689845
Ripan Biswas / Two male Darjeeling bush frogs (Raorchestes annandalii) fighting over territory, Kalimpong, West Bengal, India.
Two male Darjeeling bush frog (Raorchestes annandalii) croaking at night to warn off intruders to their territory, Kalimpong, West Bengal, India.
01689844
Ripan Biswas / Two male Darjeeling bush frog (Raorchestes annandalii) croaking at night to warn off intruders to their territory, Kalimpong, West Bengal, India.
Two male Darjeeling bush frogs (Raorchestes annandalii) fighting over territory, Kalimpong, West Bengal, India.
01689840
Ripan Biswas / Two male Darjeeling bush frogs (Raorchestes annandalii) fighting over territory, Kalimpong, West Bengal, India.
Darjeeling bush frog (Raorchestes annandalii) croaking, showing inflated vocal sac, Kalimpong, West Bengal, India.
01689839
Ripan Biswas / Darjeeling bush frog (Raorchestes annandalii) croaking, showing inflated vocal sac, Kalimpong, West Bengal, India.
Darjeeling bush frog (Raorchestes annandalii) croaking, sitting on rose bud, Kalimpong, West Bengal, India.
01689837
Ripan Biswas / Darjeeling bush frog (Raorchestes annandalii) croaking, sitting on rose bud, Kalimpong, West Bengal, India.
Darjeeling bush frog (Raorchestes annandalii) croaking, showing inflated vocal sac, Kalimpong, West Bengal, India.
01689836
Ripan Biswas / Darjeeling bush frog (Raorchestes annandalii) croaking, showing inflated vocal sac, Kalimpong, West Bengal, India.
Darjeeling bush frog (Raorchestes annandalii) croaking, sitting on a petal, Kalimpong, West Bengal, India.
01689835
Ripan Biswas / Darjeeling bush frog (Raorchestes annandalii) croaking, sitting on a petal, Kalimpong, West Bengal, India.
Broad palmed rocket frog (Litoria latopalmata) male calling near edge of small pool after rain, Esk, Queensland, Australia.
01683552
Bruce Thomson / Broad palmed rocket frog (Litoria latopalmata) male calling near edge of small pool after rain, Esk, Queensland, Australia.
Green thighed frog (Litoria brevipalmata) male calling near shallow pool at night after rain, Conondale, Queensland, Australia.
01683550
Bruce Thomson / Green thighed frog (Litoria brevipalmata) male calling near shallow pool at night after rain, Conondale, Queensland, Australia.
Dainty green tree frog (Litoria gracilenta) male calling from stem over shallow pond, Esk, Queensland, Australia
01683549
Bruce Thomson / Dainty green tree frog (Litoria gracilenta) male calling from stem over shallow pond, Esk, Queensland, Australia
Tylers tree frog (Litoria tyleri) on branch in low shrub over water at night, Gold Coast, Queensland, Australia.
01683530
Bruce Thomson / Tylers tree frog (Litoria tyleri) on branch in low shrub over water at night, Gold Coast, Queensland, Australia.
Perons / Emerald spotted tree frog (Litoria peronii) sitting on rock calling at night, vocal sac inflated, near water, common in eastern Australia, Southport, Queensland, Australia.
01683528
Bruce Thomson / Perons / Emerald spotted tree frog (Litoria peronii) sitting on rock calling at night, vocal sac inflated, near water, common in eastern Australia, Southport, Queensland, Australia.
Northern spadefoot (Notaden melanoscaphus) adult male with vocal sac inflated, calling, Howard River sand flats, Northern Territory, Australia, January.
01678269
Etienne Littlefair / Northern spadefoot (Notaden melanoscaphus) adult male with vocal sac inflated, calling, Howard River sand flats, Northern Territory, Australia, January.
Northern spadefoot (Notaden melanoscaphus) adult male with vocal sac inflated, calling, Howard River sand flats, Northern Territory, Australia, January.
01678268
Etienne Littlefair / Northern spadefoot (Notaden melanoscaphus) adult male with vocal sac inflated, calling, Howard River sand flats, Northern Territory, Australia, January.
Northern spadefoot (Notaden melanoscaphus) adult male with vocal sac inflated, calling, Howard River sand flats, Northern Territory, Australia, January.
01678267
Etienne Littlefair / Northern spadefoot (Notaden melanoscaphus) adult male with vocal sac inflated, calling, Howard River sand flats, Northern Territory, Australia, January.
Northern spadefoot (Notaden melanoscaphus) adult male with vocal sac inflated, calling, Howard River sand flats, Northern Territory, Australia, January.
01678266
Etienne Littlefair / Northern spadefoot (Notaden melanoscaphus) adult male with vocal sac inflated, calling, Howard River sand flats, Northern Territory, Australia, January.