• Results for
    • Vocal Sac
  • (209)
Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera. - David Perpinan
01617192
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
Jayarami Bush frog (Raorchestes jayarami), inflating vocal sac, calling to attract mate, Endemic to Western Ghats. Anamalai Wildlife Sanctuary, India. - Yashpal Rathore
01554844
Yashpal Rathore / Jayarami Bush frog (Raorchestes jayarami), inflating vocal sac, calling to attract mate, Endemic to Western Ghats. Anamalai Wildlife Sanctuary, India.
Hourglass treefrog (Dendropsophus ebraccatus) male with inflated vocal sac calling at night, Central Caribbean foothills, Costa Rica - Alex  Hyde
01543501
Alex Hyde / Hourglass treefrog (Dendropsophus ebraccatus) male with inflated vocal sac calling at night, Central Caribbean foothills, Costa Rica
Couch's Spadefoot (Scaphiopus couchii) adult at night calling with vocal sac inflated. Laredo, Webb County, South Texas, USA, April. - Rolf Nussbaumer
01350337
Rolf Nussbaumer / Couch's Spadefoot (Scaphiopus couchii) adult at night calling with vocal sac inflated. Laredo, Webb County, South Texas, USA, April.
European green toad (Bufo viridis) calling, vocal sac inflated, with eyes closed, in a pond (at 2,711m) Adylsu valley, side valley to Baksan valley and Elbrus, Caucasus, Russia, June 2008 - Wild Wonders of Europe / Schandy
01242176
Wild Wonders of Europe / Schandy / European green toad (Bufo viridis) calling, vocal sac inflated, with eyes closed, in a pond (at 2,711m) Adylsu valley, side valley to Baksan valley and Elbrus, Caucasus, Russia, June 2008
European green toad (Bufo viridis) calling, vocal sac inflated, in a pond (at 2,711m) Adylsu valley, side valley to Baksan valley and Elbrus, Caucasus, Russia, June 2008 - Wild Wonders of Europe / Schandy
01242175
Wild Wonders of Europe / Schandy / European green toad (Bufo viridis) calling, vocal sac inflated, in a pond (at 2,711m) Adylsu valley, side valley to Baksan valley and Elbrus, Caucasus, Russia, June 2008
American Toad {Bufo americanus} male calling, his vocal sac vibrations causing ripples in the water,  Pennsylvania, USA - Doug Wechsler
01213653
Doug Wechsler / American Toad {Bufo americanus} male calling, his vocal sac vibrations causing ripples in the water, Pennsylvania, USA
Red-eyed tree frog (Litoria chloris) male with inflated throat sac, calling at night. Queensland, Australia Not available for ringtone/wallpaper use. - PREMAPHOTOS
01191432
PREMAPHOTOS / Red-eyed tree frog (Litoria chloris) male with inflated throat sac, calling at night. Queensland, Australia Not available for ringtone/wallpaper use.
Red-eyed tree frog (Litoria chloris) male with inflated throat sac, calling at night. Queensland, Australia - PREMAPHOTOS
01191430
PREMAPHOTOS / Red-eyed tree frog (Litoria chloris) male with inflated throat sac, calling at night. Queensland, Australia
Grey treefrog vocal sac inflated {Hyla versicolor} Florida, USA - Barry Mansell
01112542
Barry Mansell / Grey treefrog vocal sac inflated {Hyla versicolor} Florida, USA
Hooded seal male display {Cystophora cristata} St Lawrence gulf, Canada. Freeze Frame book plate page 187. - Doug Allan
01089191
Doug Allan / Hooded seal male display {Cystophora cristata} St Lawrence gulf, Canada. Freeze Frame book plate page 187.
Long fingered slender toad {Ansonia longidigita} male vocalising. Borneo , Bentuang-karimun, Indonesia - Doug Wechsler
01084004
Doug Wechsler / Long fingered slender toad {Ansonia longidigita} male vocalising. Borneo , Bentuang-karimun, Indonesia
Mediterranean tree frog vocalising {Hyla meridionalis} Luberon, France, Europe - Martin Gabriel
01083369
Martin Gabriel / Mediterranean tree frog vocalising {Hyla meridionalis} Luberon, France, Europe
Natterjack toad male calling {Bufo calamita} vocal sac inflated, Germany - Ingo Arndt
01079047
Ingo Arndt / Natterjack toad male calling {Bufo calamita} vocal sac inflated, Germany
Natterjack toad calling, vocal sac inflated {Bufo calamita} Germany - Ingo Arndt
01079046
Ingo Arndt / Natterjack toad calling, vocal sac inflated {Bufo calamita} Germany
Common tree frog calling, vocal sac inflated, Italy. - Hans Christoph Kappel
01050108
Hans Christoph Kappel / Common tree frog calling, vocal sac inflated, Italy.
Red-eyed Tree Frog (Agalychnis callidryas) calling, Tortuguero National Park, Costa Rica - Sean Crane
00540785
Sean Crane / Red-eyed Tree Frog (Agalychnis callidryas) calling, Tortuguero National Park, Costa Rica
European Tree Frog (Hyla arborea) calling, Switzerland - Thomas Marent
00449884
Thomas Marent / European Tree Frog (Hyla arborea) calling, Switzerland
Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Delta, Bulgaria - Guy Edwardes
01617867
Guy Edwardes / Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Delta, Bulgaria
Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Delta, Bulgaria - Guy Edwardes
01617866
Guy Edwardes / Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Delta, Bulgaria
Male Parsley frog (Pelodytes punctatus) calling in a pond, Barcelona, Spain, May. Filmed at night with an infrared camera. - David Perpinan
01617193
David Perpinan / Male Parsley frog (Pelodytes punctatus) calling in a pond, 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. - David Perpinan
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. - David Perpinan
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. - David Perpinan
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. - David Perpinan
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. - David Perpinan
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. - David Perpinan
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. - David Perpinan
01617184
David Perpinan / Male Mediterranean tree frog (Hyla meridionalis) calling, showing vocal sac inflating, Barcelona, Spain, May. Filmed at night with an infrared camera.
Siamang, (Symphalangus syndactylus), adult calling with vocal sac inflated, captive occurs in South East Asia - Aflo
01588858
Aflo / Siamang, (Symphalangus syndactylus), adult calling with vocal sac inflated, captive occurs in South East Asia
Barking treefrog (Hyla gratiosa) calling, vocal sac inflated,  Blackbird State Forest, Delaware, USA, May. - Doug Wechsler
01587898
Doug Wechsler / Barking treefrog (Hyla gratiosa) calling, vocal sac inflated, Blackbird State Forest, Delaware, USA, May.
American green treefrog (Hyla cinerea) calling,  vocal sac inflated, St. Jones Reserve, Delaware, USA, June. - Doug Wechsler
01587830
Doug Wechsler / American green treefrog (Hyla cinerea) calling, vocal sac inflated, St. Jones Reserve, Delaware, USA, June.
American toad (Bufo americanus) male calling,  vocal sac inflated, Philadelphia, Pennsylvania, USA. May. - Doug Wechsler
01587717
Doug Wechsler / American toad (Bufo americanus) male calling, vocal sac inflated, Philadelphia, Pennsylvania, USA. May.
Magnificent frigatebird (Fregata magnificens) male displaying, red throat pouch inflated, North Seymour Island, Galapagos. - Roy Mangersnes
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. - Roy Mangersnes
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. - Roy Mangersnes
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. - Roy Mangersnes
01577868
Roy Mangersnes / Magnificent frigatebird (Fregata magnificens) male displaying with red throat pouch inflated, Genovesa Island, Galapagos.
American toad (Anaxyrus americanus) male calling, vocal sac inflated, to attract females, Maryland, USA. April. - John Cancalosi
01572873
John Cancalosi / American toad (Anaxyrus americanus) male calling, vocal sac inflated, to attract females, Maryland, USA. April.
Great frigatebird (Fregata minor), courtship ritual, male inflating vocal sac to attract the females, Genovesa Island, Galapagos Island. - Sylvain Cordier
01570920
Sylvain Cordier / Great frigatebird (Fregata minor), courtship ritual, male inflating vocal sac to attract the females, Genovesa Island, Galapagos Island.
African giant bullfrog (Pyxicephalus adspersus) male calling with vocal sac inflated, Central Kalahari Game Reserve. Botswana. - Chris & Monique Fallows
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. - Chris & Monique Fallows
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. - Jen Guyton
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. - Jen Guyton
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. - Jen Guyton
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 - Jen Guyton
01568159
Jen Guyton / African bullfrog (Pyxicephalus edulis) male calling for mate in newly formed seasonal pond, Gorongosa National Park, Mozambique
Edible frog (Pelophylax esculenta) male displaying in water, Alsace, France, June. - Klein & Hubert
01566010
Klein & Hubert / Edible frog (Pelophylax esculenta) male displaying in water, Alsace, France, June.
Edible frog (Pelophylax esculenta) male displaying in water, Alsace, France, June. - Klein & Hubert
01566008
Klein & Hubert / Edible frog (Pelophylax esculenta) male displaying in water, Alsace, France, June.
Anil's bush frog (Raorchestes anili) inflating vocal sac to attract mate, Endemic to Western Ghats.  Coorg, Karnataka, India. - Yashpal Rathore
01554852
Yashpal Rathore / Anil's bush frog (Raorchestes anili) inflating vocal sac to attract mate, Endemic to Western Ghats. Coorg, Karnataka, India.
Blue-eyed bush frog (Raorchestes luteolus), tiny frog with beautiful blue iris, vocal sac inflated. Coorg, Karnataka, India. Endemic to Western Ghats. - Yashpal Rathore
01554851
Yashpal Rathore / Blue-eyed bush frog (Raorchestes luteolus), tiny frog with beautiful blue iris, vocal sac inflated. Coorg, Karnataka, India. Endemic to Western Ghats.
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