Warning Collection

Warning sign, Cave canem, beware of the dog, Lake Maggiore, Switzerland, Europe

Cassowary warning sign in the rainforest, Daintree National Park, northern Queensland, Australia

Warning sign, rail traffic

Traffic signs, warning of crossing elephants, Nagarhole National Park, Karnataka, India

Fleet of English ships at sea lighting warning beacons
History, Europe, Great Britain, Spanish Armada, 1588, Beacons, Communicating, English, Fire, Fleets, Invasions, Lighting, Messages, Naval, Naval Communicating, Navy, Sailing, Sea, Ships, Signals

Skull and Crossbones Poison Label

Lighthouse, Flamborough Head, England
Architectural, Architectural Exterior, Architectural Exteriors, Architecture, Attractions, Beacon, Beacons, Destinations, England, English, Eu, Europe, European, Exterior, Flamborough Head

Railway crossing warning signal with Stop sign at sunset near the town of Magaliesburg, Gauteng Province, South Africa
A railway crossing warning signal and stop sign with railway tracks leading off into the distance at sunset near the scenic town of Magaliesburg in the Gauteng province of South Africa

Lioness, Masai Mara Game Reserve, Kenya
A lioness (Panthera leo) snarls aggressively

Plains Zebra, Ruaha National Park, Tanzania
A zebra (Equus quagga) bucks and kicks out at another during a squabble

Swainsons Spurfowl (Francolinus swainsonii)
A Swainsons Spurfowl calls out whilst perched on a tree branch in the early morning light. Kruger National Park, South Africa

Civil War Uniforms
Illustration of the uniforms of the regular soldiers of the Union army warn during the American civil war 1861 - 1865. (Photo by Kean Collection/Getty Images)

Black and white digital illustration of radioactive warning symbol

Moose warning sign, Norway, Scandinavia, Europe

Warning sign strong currents, on a beach, Muriwai Beach, West Coast, Auckland, Auckland Region, New Zealand

Polar bear warning sign, Longyearbyen, Spitsbergen Island, Svalbard Archipelago, Svalbard and Jan Mayen, Norway

A red-yellow flag waves on the beach, near Kampen, Sylt, Schleswig-Holstein, Germany

A yellow wooden cross marks a shoal near the shore at the beach, near Kampen, Sylt, Schleswig-Holstein, Germany

beacon, caution, cloud, color image, copy space, craggy, day, environment, heritage, historical landmark, illumination, landscape, lighthouse, low angle view, nature, no people, nova scotia

Roadside sign of kangaroos crossing, Australia
Roadside sign warning about kangaroos crossing highway, fall, New South Wales, Australia

Beacon of Fanad Head at the mouth of Milford sound, Co Donegal, Ireland

Beacon of Fanad Head at the mouth of Milford sound, Co Donegal Ireland

White lighthouse at Fanad Head, North Coast of Donegal, North Ireland

Lighthouse and ocean, Bandon, Oregon

Palm tree near El Morro Fortress, Havana, Cuba

Gas Warning
circa 1916: A sign in wartime France, warning that anti-gas precautions should be taken when passing beyond this point. (Photo by General Photographic Agency/Getty Images)

A sign Vorsicht Rutschgefahr, German for caution, slip hazard at the Hamburg harbour, Germany, Europe

Railroad crossing

Redshank -Tringa totanus-, warning, in a meadow, Lauwersmeer National Park, Holland, Netherlands, Europe

Signs, falling rocks and steep decline, Highway 65, Grand Mesa National Forest, Colorado, USA

Traffic sign warning of kiwis on the next four kilometres of the country road, driving on the left, Arthurs Pass Road, South Island, New Zealand, Oceania

Wolf spider -Lycosidae spec. -, aposematism, Tiputini rainforest, Yasuni National Park, Ecuador, South America
Wolf spider -Lycosidae spec.-, aposematism, Tiputini rainforest, Yasuni National Park, Ecuador, South America

Aposematic Bush crickets -Tettigoniidae spec. -, mating, Tiputini rain forest, Yasuni National Park, Ecuador
Aposematic Bush crickets -Tettigoniidae spec.-, mating, Tiputini rain forest, Yasuni National Park, Ecuador

Yellow buoy in the harbour basin of Hamburg, Hamburg, Germany, Europe

Quayside or river bank warning sign, Isle of Skye, Inner Hebrides, Scotland, United Kingdom

End of the trail, sign, Kilauea volcano, East Rift Zone, Big Island, USA

Sign road closed, lava field in the East Rift Zone, Kilauea volcano, Big Island, Hawaii, USA

Warning sign in English and German on the fence of a predator enclosure, Namibia

Warning sign Caution Penguins on a coastal road at dusk, Cape Palliser, Wellington Region, New Zealand

Dangerous curve warning sign, road with a dangerous curve, Charleston, West Coast Region, New Zealand

Warning sign, Kiwis next 4km at Greyneys Creek, looking towards Mt. Oates, 2041m, Canterbury Region, New Zealand

Prohibition sign for use of the mountain trail with unsuitable footwear on Schilthorn Mountain, Muerren, Bernese Oberland, Switzerland, Europe

Traffic sign, warning of sheep, Reykjanes, Iceland

Street sign on the way to the Forca di Presta pass, Monte Sibillini, Apennines Mountains, Marche, Italy, Europe

Skull and crossbones

Traffic sign calling attention fo crossing cross-country skiers, Oslo, Norway, Europe

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