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Sea star (Hacelia attenuata) on coral covered with mucilage, a symptom of rising sea temperature, Vis Island, Croatia, Adriatic Sea, Mediterranean.
01528729
Franco Banfi / Sea star (Hacelia attenuata) on coral covered with mucilage, a symptom of rising sea temperature, Vis Island, Croatia, Adriatic Sea, Mediterranean.
Lion-tailed Macaque (Macaca silenus) in threat display, Western Ghats, India
00543969
Thomas Marent / Lion-tailed Macaque (Macaca silenus) in threat display, Western Ghats, India
Polar bear (Ursus maritimus) young bear in freezing water during autumn freeze up, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, Beaufort Sea
01431376
Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) young bear in freezing water during autumn freeze up, Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, Beaufort Sea
Harvested potatoes in Virunga Volcanoes National Park with agricultural land behind and forest beyond where the mountain gorillas live, Rwanda, April 2010. Encroachment of the human population on habi...
01334781
Andy Rouse / Harvested potatoes in Virunga Volcanoes National Park with agricultural land behind and forest beyond where the mountain gorillas live, Rwanda, April 2010. Encroachment of the human population on habi...
East African River Hippopotamus (Hippopotamus amphibius kiboko) with open mouth in threat posture, native to Africa
00119282
ZSSD / East African River Hippopotamus (Hippopotamus amphibius kiboko) with open mouth in threat posture, native to Africa
Hippopotamus (Hippopotamus amphibius) threat yawning, Khwai River Botswana
00630070
Richard Du Toit / Hippopotamus (Hippopotamus amphibius) threat yawning, Khwai River Botswana
Chimpanzee (Pan troglodytes) in threat display, Limbe Wildlife Centre, Cameroon
00598666
Gerry Ellis / Chimpanzee (Pan troglodytes) in threat display, Limbe Wildlife Centre, Cameroon
Kevin Whales, man with litter he has picked from street and sorted for recycling. Jaywick, Essex, England, UK.
01625885
David Woodfall / Kevin Whales, man with litter he has picked from street and sorted for recycling. Jaywick, Essex, England, UK.
Kevin Whales, man with litter he has picked from street and sorted for recycling. Jaywick, Essex, England, UK.
01625884
David Woodfall / Kevin Whales, man with litter he has picked from street and sorted for recycling. Jaywick, Essex, England, UK.
The Bishnumati river running through Kathmandu in Nepal. The river is full of litter and raw sewage which is emptied into the river. Nepal. December 2012
01596811
Ashley Cooper / The Bishnumati river running through Kathmandu in Nepal. The river is full of litter and raw sewage which is emptied into the river. Nepal. December 2012
The Bishnumati river running through Kathmandu in Nepal. The river is full of litter and raw sewage which is emptied into the river. Nepal. December 2012
01596810
Ashley Cooper / The Bishnumati river running through Kathmandu in Nepal. The river is full of litter and raw sewage which is emptied into the river. Nepal. December 2012
The Bishnumati river running through Kathmandu in Nepal. The river is full of litter and raw sewage which is emptied into the river. Nepal. December 2012
01596809
Ashley Cooper / The Bishnumati river running through Kathmandu in Nepal. The river is full of litter and raw sewage which is emptied into the river. Nepal. December 2012
The Bishnumati river running through Kathmandu in Nepal. The river is full of litter and raw sewage which is emptied into the river. Nepal. December 2012
01596808
Ashley Cooper / The Bishnumati river running through Kathmandu in Nepal. The river is full of litter and raw sewage which is emptied into the river. Nepal. December 2012
The Bishnumati river running through Kathmandu in Nepal. The river is full of litter and raw sewage which is emptied into the river. Nepal. December 2012
01596807
Ashley Cooper / The Bishnumati river running through Kathmandu in Nepal. The river is full of litter and raw sewage which is emptied into the river. Nepal. December 2012
African clawed frog (Xenopus laevis) tadpoles introduced accidentally in France, there is an action plan to fight this alien species
01545990
Cyril Ruoso / African clawed frog (Xenopus laevis) tadpoles introduced accidentally in France, there is an action plan to fight this alien species
African clawed frog (Xenopus laevis) introduced accidentally in France; there is an action plan to fight this alien species
01545988
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France; there is an action plan to fight this alien species
African clawed frog (Xenopus laevis) introduced accidentally in France; there is an action plan to fight this alien species
01545987
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France; there is an action plan to fight this alien species
African clawed frog (Xenopus laevis) introduced accidentally in France; there is an action plan to fight this alien species
01545986
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France; there is an action plan to fight this alien species
African clawed frog (Xenopus laevis) introduced accidentally in France, captured frogs part of action plan to fight this alien species
01545985
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France, captured frogs part of action plan to fight this alien species
African clawed frog (Xenopus laevis) introduced accidentally in France, man holding net of captured frogs, part of action plan to fight this alien species, France
01545984
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France, man holding net of captured frogs, part of action plan to fight this alien species, France
African clawed frog (Xenopus laevis) introduced accidentally in France, 23,000 tadpoles captures in just one pond alone, part of action plan to fight this alien species, France
01545983
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France, 23,000 tadpoles captures in just one pond alone, part of action plan to fight this alien species, France
African clawed frog (Xenopus laevis) introduced accidentally in France, person with net - 23,000 tadpoles captures in just one pond alone, part of action plan to fight this alien species, France
01545982
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France, person with net - 23,000 tadpoles captures in just one pond alone, part of action plan to fight this alien species, France
African clawed frog (Xenopus laevis) introduced accidentally in France; 23,000 tadpoles captured in just one pond alone, shown here with captured adults, part of action plan to fight this alien specie...
01545981
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France; 23,000 tadpoles captured in just one pond alone, shown here with captured adults, part of action plan to fight this alien specie...
African clawed frog (Xenopus laevis) introduced accidentally in France; 23,000 tadpoles captured in just one pond alone, shown here with conservation vehicle and person with net, part of action plan t...
01545980
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France; 23,000 tadpoles captured in just one pond alone, shown here with conservation vehicle and person with net, part of action plan t...
African clawed frog (Xenopus laevis) introduced accidentally in France; captured adults are killed by freezing, part of action plan to fight this alien species, France
01545979
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France; captured adults are killed by freezing, part of action plan to fight this alien species, France
African clawed frog (Xenopus laevis) introduced accidentally in France; men looking at specimen of caught frog, part of action plan to fight this alien species, France
01545978
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France; men looking at specimen of caught frog, part of action plan to fight this alien species, France
African clawed frog (Xenopus laevis) introduced accidentally in France; man holding specimen of caught frog whilst other searches for more in net, part of action plan to fight this alien species, Fran...
01545977
Cyril Ruoso / African clawed frog (Xenopus laevis) introduced accidentally in France; man holding specimen of caught frog whilst other searches for more in net, part of action plan to fight this alien species, Fran...
Huarango (Prosopis limensis) growing in temporary river, being cut for charcoal, this long living species is under threat. San Fernando reserve in Nazca desert, Peru 2013
01545920
Cyril Ruoso / Huarango (Prosopis limensis) growing in temporary river, being cut for charcoal, this long living species is under threat. San Fernando reserve in Nazca desert, Peru 2013
Huarango (Prosopis limensis) growing in temporary river, being cut for charcoal, this long living species is under threat and this is one of the very last forests left. San Fernando reserve in Nazca d...
01545918
Cyril Ruoso / Huarango (Prosopis limensis) growing in temporary river, being cut for charcoal, this long living species is under threat and this is one of the very last forests left. San Fernando reserve in Nazca d...
Huarango (Prosopis limensis) chopped down for charcoal, this long living species is under threat, San Fernando reserve, Nazca desert, Peru 2013
01545917
Cyril Ruoso / Huarango (Prosopis limensis) chopped down for charcoal, this long living species is under threat, San Fernando reserve, Nazca desert, Peru 2013
Mountain Gorilla (Gorilla gorilla beringei) silverback in defensive display, Virunga National Park, Democratic Republic of the Congo
00561337
Anup Shah / Mountain Gorilla (Gorilla gorilla beringei) silverback in defensive display, Virunga National Park, Democratic Republic of the Congo
Hippopotamus (Hippopotamus amphibius) in threat display, Serengeti National Park, Tanzania
00544046
Thomas Marent / Hippopotamus (Hippopotamus amphibius) in threat display, Serengeti National Park, Tanzania
Aerial photograph of the Olifants River showing the intensive agriculture along its course, a threat to the endemic fish species found here. Citrusdal and Clanwilliam area, Western Cape, South Africa....
01482972
Cheryl-Samantha Owen / Aerial photograph of the Olifants River showing the intensive agriculture along its course, a threat to the endemic fish species found here. Citrusdal and Clanwilliam area, Western Cape, South Africa....
Aerial photograph of the Olifants River and the intensive irrigation / canal system used along its course, a threat to the endemic fish species found here. Citrusdal and Clanwilliam area, Western Cape...
01482971
Cheryl-Samantha Owen / Aerial photograph of the Olifants River and the intensive irrigation / canal system used along its course, a threat to the endemic fish species found here. Citrusdal and Clanwilliam area, Western Cape...
Aerial photograph of the Olifants River and the intensive agriculture along its course, a threat to the endemic fish species found here. Citrusdal and Clanwilliam area, Western Cape, South Africa. Dec...
01482969
Cheryl-Samantha Owen / Aerial photograph of the Olifants River and the intensive agriculture along its course, a threat to the endemic fish species found here. Citrusdal and Clanwilliam area, Western Cape, South Africa. Dec...
Aerial photograph of the Olifants River and the intensive agriculture along its course, a threat to the endemic fish species found here. Citrusdal and Clanwilliam area, Western Cape, South Africa. Dec...
01482967
Cheryl-Samantha Owen / Aerial photograph of the Olifants River and the intensive agriculture along its course, a threat to the endemic fish species found here. Citrusdal and Clanwilliam area, Western Cape, South Africa. Dec...
Aerial photograph of the Olifants River and the intensive agriculture along its course, a threat to the endemic fish species found here. Citrusdal and Clanwilliam area, Western Cape, South Africa. Dec...
01482966
Cheryl-Samantha Owen / Aerial photograph of the Olifants River and the intensive agriculture along its course, a threat to the endemic fish species found here. Citrusdal and Clanwilliam area, Western Cape, South Africa. Dec...
Hippopotamus (Hippopotamus amphibius) male in threat display, Kruger National Park, South Africa
00538076
Richard Du Toit / Hippopotamus (Hippopotamus amphibius) male in threat display, Kruger National Park, South Africa
Pig-tailed Macaque (Macaca nemestrina) male making threat gestures, Gunung Leuser National Park, Sumatra, Indonesia
00536942
Anup Shah / Pig-tailed Macaque (Macaca nemestrina) male making threat gestures, Gunung Leuser National Park, Sumatra, Indonesia
Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
00531402
D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
Tasmanian Devil (Sarcophilus harrisii) ten month old joey in threat display, Cradle Mountain-Lake Saint Clair National Park, Tasmania, Australia
00531344
D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) ten month old joey in threat display, Cradle Mountain-Lake Saint Clair National Park, Tasmania, Australia
Electricity sub station under threat from flooding, Hylton Road, St. John's, Worcester, England, UK, 13th February 2014.
01454292
Will Watson / Electricity sub station under threat from flooding, Hylton Road, St. John's, Worcester, England, UK, 13th February 2014.
Sumatran Orangutan (Pongo abelii) twenty-six year old male, named Halik, in threat display, Gunung Leuser National Park, Sumatra, Indonesia
00525660
Fiona Rogers / Sumatran Orangutan (Pongo abelii) twenty-six year old male, named Halik, in threat display, Gunung Leuser National Park, Sumatra, Indonesia
Golden Snub-nosed Monkey (Rhinopithecus roxellana) female with youngcalling, Qinling Mountains, Shaanxi, China
00522076
Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) female with youngcalling, Qinling Mountains, Shaanxi, China
Yunnan Snub-nosed Monkey (Rhinopithecus bieti) in threat display, Yunnan Province, China
00522066
Thomas Marent / Yunnan Snub-nosed Monkey (Rhinopithecus bieti) in threat display, Yunnan Province, China
Yunnan Snub-nosed Monkey (Rhinopithecus bieti) male in threat display, Yunnan Province, China
00522058
Thomas Marent / Yunnan Snub-nosed Monkey (Rhinopithecus bieti) male in threat display, Yunnan Province, China
Golden Snub-nosed Monkey (Rhinopithecus roxellana) male in threat display, Qinling Mountains, Shaanxi, China
00522033
Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) male in threat display, Qinling Mountains, Shaanxi, China
Golden Snub-nosed Monkey (Rhinopithecus roxellana) male in threat display, Qinling Mountains, Shaanxi, China
00522026
Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) male in threat display, Qinling Mountains, Shaanxi, China
Golden Snub-nosed Monkey (Rhinopithecus roxellana) male in threat display, Qinling Mountains, Shaanxi, China
00522009
Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) male in threat display, Qinling Mountains, Shaanxi, China
Botanist kneeling whilst surveying an urban garden under threat of development in the hope of finding a plant species which might save the site, Highbury, London Borough of Islington, England UK, Janu...
01426774
Pat Tuson / Botanist kneeling whilst surveying an urban garden under threat of development in the hope of finding a plant species which might save the site, Highbury, London Borough of Islington, England UK, Janu...
Proboscis Monkey (Nasalis larvatus) female with two month old baby giving threat display, Sabah, Malaysia
00479386
Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) female with two month old baby giving threat display, Sabah, Malaysia
Southern Cassowary (Casuarius casuarius) male in threat display, Queensland, Australia
00455641
Kevin Schafer / Southern Cassowary (Casuarius casuarius) male in threat display, Queensland, Australia
Hippopotamus (Hippopotamus amphibius) threat display, Kruger National Park, South Africa
00451457
Pete Oxford / Hippopotamus (Hippopotamus amphibius) threat display, Kruger National Park, South Africa
Hippopotamus (Hippopotamus amphibius) threat display, Kruger National Park, South Africa
00451456
Pete Oxford / Hippopotamus (Hippopotamus amphibius) threat display, Kruger National Park, South Africa
Hippopotamus (Hippopotamus amphibius) threat display, Kruger National Park, South Africa
00451455
Pete Oxford / Hippopotamus (Hippopotamus amphibius) threat display, Kruger National Park, South Africa
Galapagos Pink Land Iguana (Conolophus marthae) new species described in 2009, open mouth threat display, Isabella Island, Galapagos Islands, Ecuador
00445558
Tui De Roy / Galapagos Pink Land Iguana (Conolophus marthae) new species described in 2009, open mouth threat display, Isabella Island, Galapagos Islands, Ecuador
Marine Iguana (Amblyrhynchus cristatus) breeding male head bobbing and open mouth threat displaying, Galapagos Islands, Ecuador
00445536
Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male head bobbing and open mouth threat displaying, Galapagos Islands, Ecuador
Marine Iguana (Amblyrhynchus cristatus) breeding male head bobbing and open mouth threat displaying, Galapagos Islands, Ecuador
00445535
Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male head bobbing and open mouth threat displaying, Galapagos Islands, Ecuador
Marine Iguana (Amblyrhynchus cristatus) breeding male head bobbing and open mouth threat displaying, Galapagos Islands, Ecuador
00445534
Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) breeding male head bobbing and open mouth threat displaying, Galapagos Islands, Ecuador
Child fishing for shrimp fry in coastal waters, threat to rural infrastructure and education, Ganges delta, Bangladesh, November 2008
01279567
David Woodfall / Child fishing for shrimp fry in coastal waters, threat to rural infrastructure and education, Ganges delta, Bangladesh, November 2008
Shrimp ponds for Shrimp farming, resulting in an increased salinity threat to rural water supplies, Ganges delta, Bangladesh, November 2008
01279541
David Woodfall / Shrimp ponds for Shrimp farming, resulting in an increased salinity threat to rural water supplies, Ganges delta, Bangladesh, November 2008
Shrimp farming, resulting in an increased salinity threat to rural water supplies, Ganges delta, Bangladesh, November 2008
01279540
David Woodfall / Shrimp farming, resulting in an increased salinity threat to rural water supplies, Ganges delta, Bangladesh, November 2008
African Elephant (Loxodonta africana) bull threat displaying, Chobe National Park, Botswana
00429007
Richard Du Toit / African Elephant (Loxodonta africana) bull threat displaying, Chobe National Park, Botswana
Hippopotamus (Hippopotamus amphibius) male threat displaying, Khwai River, Botswana
00420181
Richard Du Toit / Hippopotamus (Hippopotamus amphibius) male threat displaying, Khwai River, Botswana
Hippopotamus (Hippopotamus amphibius) threat displaying, Masai Mara National Reserve, Kenya
00763034
Ingo Arndt / Hippopotamus (Hippopotamus amphibius) threat displaying, Masai Mara National Reserve, Kenya
Hippopotamus (Hippopotamus amphibius) bull threat displaying, Dish Pan, Linyanti Swamp, Botswana
00205120
Gerry Ellis / Hippopotamus (Hippopotamus amphibius) bull threat displaying, Dish Pan, Linyanti Swamp, Botswana
Hippopotamus (Hippopotamus amphibius) bull threat displaying, Dish Pan, Linyanti Swamp, Botswana
00205118
Gerry Ellis / Hippopotamus (Hippopotamus amphibius) bull threat displaying, Dish Pan, Linyanti Swamp, Botswana
Hippopotamus (Hippopotamus amphibius) bull threat yawning, Khwai River, Botswana
00630322
Richard Du Toit / Hippopotamus (Hippopotamus amphibius) bull threat yawning, Khwai River, Botswana
Hippopotamus (Hippopotamus amphibius) threat yawning, Moremi Wildlife Reserve, Botswana
00630290
Richard Du Toit / Hippopotamus (Hippopotamus amphibius) threat yawning, Moremi Wildlife Reserve, Botswana
Indefatigable Island Tortoise (Chelonoidis nigra porteri) alongside road with traffic, highlands, Santa Cruz Island, Galapagos Islands, Ecuador
00210432
Pete Oxford / Indefatigable Island Tortoise (Chelonoidis nigra porteri) alongside road with traffic, highlands, Santa Cruz Island, Galapagos Islands, Ecuador
Western Lowland Gorilla (Gorilla gorilla gorilla) male beating chest in threat display, endangered, central Africa
00198350
Konrad Wothe / Western Lowland Gorilla (Gorilla gorilla gorilla) male beating chest in threat display, endangered, central Africa
Hippopotamus (Hippopotamus amphibius) large bull threat-yawning in the Khwai River, Botswana
00630141
Richard Du Toit / Hippopotamus (Hippopotamus amphibius) large bull threat-yawning in the Khwai River, Botswana
Johnson's Horned Treefrog (Hemiphractus johnsoni) in threat display, Amazon, Peru
00510285
Michael & Patricia Fogden / Johnson's Horned Treefrog (Hemiphractus johnsoni) in threat display, Amazon, Peru
Hippopotamus (Hippopotamus amphibius) with mouth open in threat display, native to Africa
00117802
ZSSD / Hippopotamus (Hippopotamus amphibius) with mouth open in threat display, native to Africa
African Wild Dog (Lycaon pictus) in threat display, Ruaha National Park, Tanzania
00573513
Adri de Visser / African Wild Dog (Lycaon pictus) in threat display, Ruaha National Park, Tanzania
Stump-tailed Macaque (Macaca arctoides) male with open mouth in threat display, Thailand
00538224
Roland Seitre / Stump-tailed Macaque (Macaca arctoides) male with open mouth in threat display, Thailand
Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
00531405
D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
00531403
D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
00531401
D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
00531400
D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
00531399
D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
Lion-tailed Macaque (Macaca silenus) baby making threatening expression, Indira Gandhi National Park, Western Ghats, India
00525561
Fiona Rogers / Lion-tailed Macaque (Macaca silenus) baby making threatening expression, Indira Gandhi National Park, Western Ghats, India
Yunnan Snub-nosed Monkey (Rhinopithecus bieti) in threat display, Yunnan Province, China
00522067
Thomas Marent / Yunnan Snub-nosed Monkey (Rhinopithecus bieti) in threat display, Yunnan Province, China
Yunnan Snub-nosed Monkey (Rhinopithecus bieti) juvenile in threat display, Yunnan Province, China
00522063
Thomas Marent / Yunnan Snub-nosed Monkey (Rhinopithecus bieti) juvenile in threat display, Yunnan Province, China
Golden Snub-nosed Monkey (Rhinopithecus roxellana) males in threat display, Qinling Mountains, Shaanxi, China
00522051
Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) males in threat display, Qinling Mountains, Shaanxi, China
Golden Snub-nosed Monkey (Rhinopithecus roxellana) in threat display, Qinling Mountains, Shaanxi, China
00522048
Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) in threat display, Qinling Mountains, Shaanxi, China
Golden Snub-nosed Monkey (Rhinopithecus roxellana) troop, male in threat display to protect females and young, Qinling Mountains, Shaanxi, China
00522041
Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) troop, male in threat display to protect females and young, Qinling Mountains, Shaanxi, China
Golden Snub-nosed Monkey (Rhinopithecus roxellana) male in threat display, Qinling Mountains, Shaanxi, China
00522013
Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) male in threat display, Qinling Mountains, Shaanxi, China
Chimpanzee (Pan troglodytes) male yawning, western Uganda
00481376
Suzi Eszterhas / Chimpanzee (Pan troglodytes) male yawning, western Uganda
Galapagos Pink Land Iguana (Conolophus marthae) head bobbing and open mouth threat display, Isabella Island, Galapagos Islands, Ecuador
00445551
Tui De Roy / Galapagos Pink Land Iguana (Conolophus marthae) head bobbing and open mouth threat display, Isabella Island, Galapagos Islands, Ecuador
African Elephant (Loxodonta africana) bull threat displaying, Chobe National Park, Botswana
00428999
Richard Du Toit / African Elephant (Loxodonta africana) bull threat displaying, Chobe National Park, Botswana
Orangutan (Pongo pygmaeus) female in threat display, Tanjung Puting National Park, Borneo, Indonesia
00553656
Suzi Eszterhas / Orangutan (Pongo pygmaeus) female in threat display, Tanjung Puting National Park, Borneo, Indonesia
Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
00531404
D. Parer & E. Parer-Cook / Tasmanian Devil (Sarcophilus harrisii) in defensive threat display, Central Highlands, Tasmania, Australia
Hoffmann's Two-toed Sloth (Choloepus hoffmanni) mother with young hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica
00651583
Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) mother with young hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica
Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica
00651558
Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica
Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica
00651556
Suzi Eszterhas / Hoffmann's Two-toed Sloth (Choloepus hoffmanni) hanging on powerline, a threat of electrocution for sloths, Puerto Viejo de Talamanca, Costa Rica