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    • Warning
  • (942)
Bornean Orangutan (Pongo pygmaeus) next to signs which say 'Silence please. Respect the orangutans' and 'No Smoking' Tanjung Puting National Park, Borneo, Indonesia. - Suzi Eszterhas
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Suzi Eszterhas / Bornean Orangutan (Pongo pygmaeus) next to signs which say 'Silence please. Respect the orangutans' and 'No Smoking' Tanjung Puting National Park, Borneo, Indonesia.
Calm sea with St Mary's Lighthouse in distance, Whitley Bay, Tyne and Wear, England, UK, February 2008. - Guy Edwardes
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Guy Edwardes / Calm sea with St Mary's Lighthouse in distance, Whitley Bay, Tyne and Wear, England, UK, February 2008.
Eilean Glas Lighthouse, Scalpay, Isle of Harris, Outer Hebrides, Scotland, UK. March 2014. - Guy Edwardes
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Guy Edwardes / Eilean Glas Lighthouse, Scalpay, Isle of Harris, Outer Hebrides, Scotland, UK. March 2014.
Eilean Glas Lighthouse, Isle of Scalpay, Outer Hebrides, Scotland, UK. March 2015. - Guy Edwardes
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Guy Edwardes / Eilean Glas Lighthouse, Isle of Scalpay, Outer Hebrides, Scotland, UK. March 2015.
Portland Bill Lighthouse at night, Isle of Portland, Dorset, England, UK. September 2016. - Guy Edwardes
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Guy Edwardes / Portland Bill Lighthouse at night, Isle of Portland, Dorset, England, UK. September 2016.
Portland Bill Lighthouse, Isle of Portland, Dorset, England, UK. November 2015. - Guy Edwardes
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Guy Edwardes / Portland Bill Lighthouse, Isle of Portland, Dorset, England, UK. November 2015.
Garden tiger moth (Arctia caja) Killard Point NNR, Ballyhornan, County Down, Northern Ireland.July. - Robert  Thompson
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Robert Thompson / Garden tiger moth (Arctia caja) Killard Point NNR, Ballyhornan, County Down, Northern Ireland.July.
Shark spotter, in front of black flag at the Kalk Bay post. It provides a warning to ocean goers that visibility is bad and the shark spotters may not see a white shark if it does enter the bay.  West... - Cheryl-Samantha  Owen
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Cheryl-Samantha Owen / Shark spotter, in front of black flag at the Kalk Bay post. It provides a warning to ocean goers that visibility is bad and the shark spotters may not see a white shark if it does enter the bay. West...
Strawberry Poison Arrow Frog (Oophaga pumilio) rear view climbing up plant, Costa Rica. These frogs have neurotoxins that are exuded through the skin. The bright colours are a warning to potential pre... - Visuals Unlimited
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Visuals Unlimited / Strawberry Poison Arrow Frog (Oophaga pumilio) rear view climbing up plant, Costa Rica. These frogs have neurotoxins that are exuded through the skin. The bright colours are a warning to potential pre...
Aposematism describes the use of bright colouration and bold patterns to advertise that an organism is unpalatable or dangerous. All three insects are foul-tasting or toxic if eaten:  Wood Tiger moth... - Alex Hyde
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Alex Hyde / Aposematism describes the use of bright colouration and bold patterns to advertise that an organism is unpalatable or dangerous. All three insects are foul-tasting or toxic if eaten: Wood Tiger moth...
Magpie Moth caterpillar (Abraxas grossulariata) showing warning colouration, photographed on a white background. Peak District National Park, Derbyshire, UK. June. - Alex Hyde
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Alex Hyde / Magpie Moth caterpillar (Abraxas grossulariata) showing warning colouration, photographed on a white background. Peak District National Park, Derbyshire, UK. June.
Eastern diamondback rattlesnake (Crotalus adamanteus) close up of rattle, The Orianne Indigo Snake Preserve, Telfair County, Georgia USA, captive - Pete Oxford
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Pete Oxford / Eastern diamondback rattlesnake (Crotalus adamanteus) close up of rattle, The Orianne Indigo Snake Preserve, Telfair County, Georgia USA, captive
Lighthouse on Fanad Head at sunset, County Donegal, Republic of Ireland, UK, August 2011 - Robert Thompson
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Robert Thompson / Lighthouse on Fanad Head at sunset, County Donegal, Republic of Ireland, UK, August 2011
Kingfisher (Alcedo atthis) territorial display to warn rivals. Castro Verde, Alentejo, Portugal, April. - Roger Powell
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Roger Powell / Kingfisher (Alcedo atthis) territorial display to warn rivals. Castro Verde, Alentejo, Portugal, April.
Female Rocky Mountain bighorn sheep ewe (Ovis canadensis canadensis) warning her newborn lamb that a rocky ledge is too close and dangerous. She places her front hoof on the baby's back, stopping it f... - Diane McAllister
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Diane McAllister / Female Rocky Mountain bighorn sheep ewe (Ovis canadensis canadensis) warning her newborn lamb that a rocky ledge is too close and dangerous. She places her front hoof on the baby's back, stopping it f...
Painted 'SLOW' road sign on a moorland road on a misty sunrise, Brecon Beacons National Park, Powys, Wales, UK. June 2009 - Adam Burton
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Adam Burton / Painted 'SLOW' road sign on a moorland road on a misty sunrise, Brecon Beacons National Park, Powys, Wales, UK. June 2009
Yellow-banded Poison Dart Frog (Dendrobates leucomelas) sitting on colourful variegated leaves. Captive, found in Brazil, Guyana, Venezuela - Rod Williams
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Rod Williams / Yellow-banded Poison Dart Frog (Dendrobates leucomelas) sitting on colourful variegated leaves. Captive, found in Brazil, Guyana, Venezuela
Glow worm (Lampyris noctiluca) female glowing, Italy. - Paul Harcourt Davies
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Paul Harcourt Davies / Glow worm (Lampyris noctiluca) female glowing, Italy.
Person pointing at mine warning sign in a mine field near the village of Zadrzani, Northern Livanjsko Polje, an area affected by war (1991-1995) Bosnia and Herzegovina, May 2009 - Wild Wonders of Europe / della Ferrera
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Wild Wonders of Europe / della Ferrera / Person pointing at mine warning sign in a mine field near the village of Zadrzani, Northern Livanjsko Polje, an area affected by war (1991-1995) Bosnia and Herzegovina, May 2009
The Cocksdorp lighthouse shining at night in thick fog, Texel, the Netherlands, April 2009 - Philippe Clement
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Philippe Clement / The Cocksdorp lighthouse shining at night in thick fog, Texel, the Netherlands, April 2009
Spoof warning sign about scarcity of cod in the sea, Aberdeenshire, Scotland, UK - Niall Benvie
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Niall Benvie / Spoof warning sign about scarcity of cod in the sea, Aberdeenshire, Scotland, UK
An old barrel at the diamond area border being used as a sign post warning people not to enter, Namib desert, Namibia - Jouan & Rius
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Jouan & Rius / An old barrel at the diamond area border being used as a sign post warning people not to enter, Namib desert, Namibia
Moose warning sign on roadside, Sweden. - Staffan Widstrand
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Staffan Widstrand / Moose warning sign on roadside, Sweden.
Saturniid moth caterpillar with warning colouration {Syssphinx mexicana} Guanacaste, Costa Rica - Ingo Arndt
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Ingo Arndt / Saturniid moth caterpillar with warning colouration {Syssphinx mexicana} Guanacaste, Costa Rica
Cecropia moth caterpillar with warning coloration {Hyalophora cecropia} North America - Ingo Arndt
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Ingo Arndt / Cecropia moth caterpillar with warning coloration {Hyalophora cecropia} North America
Silkmoth caterpillar with eye spots to mimic snake {Oxytenis beprea} Guanacaste, Costa Rica - Ingo Arndt
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Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis beprea} Guanacaste, Costa Rica
Silkmoth caterpillar with eye spots to mimic snake {Oxytenis modestia} Guanacaste, Costa Rica, Central America - Ingo Arndt
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Ingo Arndt / Silkmoth caterpillar with eye spots to mimic snake {Oxytenis modestia} Guanacaste, Costa Rica, Central America
Spotted skunk does handstand as initial warning then sprays out stench if warning not heeded (Resolution restriction - image digitised from film, 'Weird Nature' tv series) - John Downer Productions
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John Downer Productions / Spotted skunk does handstand as initial warning then sprays out stench if warning not heeded (Resolution restriction - image digitised from film, 'Weird Nature' tv series)
European (Fire) salamander {Salamandra salamandra} Bavaria, Germany - Martin Gabriel
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Martin Gabriel / European (Fire) salamander {Salamandra salamandra} Bavaria, Germany
Yellow bellied toad {Bombina variegata} Germany - Ingo Arndt
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Ingo Arndt / Yellow bellied toad {Bombina variegata} Germany
Yellow bellied toad {Bombina variegata} warning display  Europe - Tony Phelps
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Tony Phelps / Yellow bellied toad {Bombina variegata} warning display Europe
Poison arrow frog {Dendrobates histrionicus} Western Ecuador - Pete Oxford
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Pete Oxford / Poison arrow frog {Dendrobates histrionicus} Western Ecuador
Oriental fire bellied toad showing warning colours. - Fabio Liverani
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Fabio Liverani / Oriental fire bellied toad showing warning colours.
Yellow bellied toad defensive display  - shows brightly coloured belly, Italy - Fabio Liverani
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Fabio Liverani / Yellow bellied toad defensive display - shows brightly coloured belly, Italy
Yellow bellied toad defensive display to snake, Italy - shows brighly coloured belly - Fabio Liverani
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Fabio Liverani / Yellow bellied toad defensive display to snake, Italy - shows brighly coloured belly
Poison Arrow Frog (Epipedobates tricolor) Ecuador Amazon South-America. colourful. - Pete Oxford
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Pete Oxford / Poison Arrow Frog (Epipedobates tricolor) Ecuador Amazon South-America. colourful.
European (fire) salamander - Hans Christoph Kappel
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Hans Christoph Kappel / European (fire) salamander
Red Stink Bug (Pycanum rubeus) hatchlings cluster to amplify the effect of their aposematic warning coloration, Malaysia - Chien Lee
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Chien Lee / Red Stink Bug (Pycanum rubeus) hatchlings cluster to amplify the effect of their aposematic warning coloration, Malaysia
Hippopotamus (Hippopotamus amphibius) bull in territorial display, Khwai River, Botswana - Vincent Grafhorst
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Vincent Grafhorst / Hippopotamus (Hippopotamus amphibius) bull in territorial display, Khwai River, Botswana
Hippopotamus (Hippopotamus amphibius) bull in territorial display, Khwai River, Botswana - Vincent Grafhorst
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Vincent Grafhorst / Hippopotamus (Hippopotamus amphibius) bull in territorial display, Khwai River, Botswana
Harlequin Frog (Atelopus varius) displaying warning coloration, Monteverde, Costa Rica - Michael & Patricia Fogden
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Michael & Patricia Fogden / Harlequin Frog (Atelopus varius) displaying warning coloration, Monteverde, Costa Rica
Clark's Coral Snake (Micrurus clarki) venomous snake with warning coloration, rainforest, Costa Rica - Michael & Patricia Fogden
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Michael & Patricia Fogden / Clark's Coral Snake (Micrurus clarki) venomous snake with warning coloration, rainforest, Costa Rica
Harlequin Frog (Atelopus varius) displaying colorful warning colors, cloud forest, Costa Rica - Michael & Patricia Fogden
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Michael & Patricia Fogden / Harlequin Frog (Atelopus varius) displaying colorful warning colors, cloud forest, Costa Rica
Tessaratomid (Tessaratomidae) nymph with warning coloration, Papua New Guinea - Piotr Naskrecki
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Piotr Naskrecki / Tessaratomid (Tessaratomidae) nymph with warning coloration, Papua New Guinea
Aquatic Coral Snake (Micrurus surinamensis) showing warning color pattern, Amazon ecosystem, Brazil - Claus Meyer
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Claus Meyer / Aquatic Coral Snake (Micrurus surinamensis) showing warning color pattern, Amazon ecosystem, Brazil
Spiked Spider (Gasteracantha sp) their abdomen, or opisthosoma, is heavily sclerotized and armed with hard spines possibly to protect against birds and lizards, Solomon Islands - Piotr Naskrecki
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Piotr Naskrecki / Spiked Spider (Gasteracantha sp) their abdomen, or opisthosoma, is heavily sclerotized and armed with hard spines possibly to protect against birds and lizards, Solomon Islands
Adelie Penguin (Pygoscelis adeliae) gives a warning call when under threat, Cape Bird, Ross Island, Antarctica - Gordon Court
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Gordon Court / Adelie Penguin (Pygoscelis adeliae) gives a warning call when under threat, Cape Bird, Ross Island, Antarctica
Slug Caterpillar (Setora fletcheri) shows warning coloration and spines loaded with toxins that erect when the animal is disturbed, Tam Dao National Park, Vietnam - Mark Moffett
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Mark Moffett / Slug Caterpillar (Setora fletcheri) shows warning coloration and spines loaded with toxins that erect when the animal is disturbed, Tam Dao National Park, Vietnam
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