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Road ecology blog: Speed bump to reduce vehicle speed for wildlife and pedestrians

December 27, 2019 - Road ecology blog: Speed bump to reduce vehicle speed for wildlife and pedestrians, Golden Gate Highlands National Park,...
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Road ecology blog: Warning sign, penguins in roadway, South Africa

November 11, 2019 - Road ecology blog: Warning sign, penguins in roadway, 50 km per h, Simon's Town, Western Cape, South Africa Click her...
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Mating harlequin ducks (Histrionicus histrionicus), Yellowstone River, Wyoming

June 02, 2019 - Mating harlequin ducks (Histrionicus histrionicus), LeHardy Rapids, Yellowstone River, Wyoming, USA Click here for...
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Male harlequin duck (Histrionicus histrionicus), LeHardy Rapids, Yellowstone River, Wyoming

May 26, 2019 - Male harlequin duck (Histrionicus histrionicus), LeHardy Rapids, Yellowstone River, Wyoming, USA Click here for other...
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Harlequin ducks (Histrionicus histrionicus) with fast flowing water

May 25, 2019 - Harlequin ducks (Histrionicus histrionicus) with fast flowing water, LeHardy Rapids, Yellowstone River, Wyoming, USA...
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Fast harlequin ducks (Histrionicus histrionicus), LeHardy Rapids, Yellowstone River

May 24, 2019 - Fast harlequin ducks (Histrionicus histrionicus), LeHardy Rapids, Yellowstone River, Wyoming, USA. I used slow shutter s...
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Harlequin ducks (Histrionicus histrionicus), LeHardy Rapids, Yellowstone River, Wyoming

May 23, 2019 - Harlequin ducks (Histrionicus histrionicus), LeHardy Rapids, Yellowstone River, Wyoming, USA Click here for other ima...
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Great blue heron (Ardea herodias), Hayden Valley, Yellowstone

May 22, 2019 - Great blue heron (Ardea herodias), Hayden Valley, Yellowstone National Park, Wyoming Click here for other images of...
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Great blue heron (Ardea herodias) caught a fish

May 21, 2019 - Great blue heron (Ardea herodias) caught a fish, Hayden Valley, Yellowstone National Park, Wyoming Click here for...
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Great blue heron (Ardea herodias), Hayden Valley, Yellowstone National Park

May 20, 2019 - Great blue heron (Ardea herodias), Hayden Valley, Yellowstone National Park, Wyoming. As the heron strikes for a fish, i...
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Road ecology blog: Speed bumps to reduce traffic speed for Key deer

December 16, 2018 - Road ecology blog: Speed bump painted like a crosswalk to reduce traffic speed for Key deer, Big Pine Key, Florida, USA...
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Road ecology blog: At-grade crossing opportunity for large mammals

December 11, 2018 - Road ecology blog: At-grade crossing opportunity for large mammals at a gap in the wildlife fence with reduced posted sp...
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Road ecology blog: Amphibian tunnel and barrier wall for amphibians

December 08, 2018 - Road ecology blog: Amphibian tunnel with open slotted roof and barrier wall for amphibians (integrated into roadbed), De...
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Road ecology blog: Warning sign, dust storms, do not stop in travel lanes, New Mexico, USA

April 02, 2018 - Road ecology blog: Warning sign, dust storms, do not stop in travel lanes, New Mexico, USA Click here for images of r...
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Road ecology blog: Warning sign, dust storms may exist next 15 miles, New Mexico, USA

March 30, 2018 - Road ecology blog: Warning sign, dust storms may exist next 15 miles, New Mexico, USA Click here for images of road...
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Warning sign, deer migration area, next 3 miles, Utah, USA

March 26, 2018 - Warning sign, deer migration area, next 3 miles, Utah, USA Note the mule deer carcass right in front of the sign....
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Warning sign, speed limit 30 mph, watch for wildlife, Colorado, USA

March 22, 2018 - Warning sign, variable message sign, speed limit 30 mph, watch for wildlife, Colorado, USA Click here for other image...
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Road ecology blog: Wildlife warning sign and reduced speed limit, Argentina

October 07, 2017 - Road ecology blog: Wildlife warning sign and reduced speed limit to 50 km per hour on dirt road, Iguazu falls, Iguazu Na...
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Road ecology blog: Wildlife warning sign, Attention, Deer Crossing, Next 2 miles, Wyoming

August 17, 2017 - Road ecology blog: Wildlife warning sign, Attention, Deer Crossing, Next 2 miles, Wyoming Image below: next 5 miles...
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Road ecology blog: Wildlife corridor, Night speed limit reduction

August 16, 2017 - Road ecology blog: Wildlife warning sign in mule deer migration area. Wildlife corridor, Night speed limit, 30 min. bef...
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Road ecology blog: Reduced posted speed limit at night in high mule deer collision areas

August 15, 2017 - Road ecology blog: Reduced posted speed limit at night in high collision areas with mule deer, Wyoming Click here to...
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Sharp-tailed grouse with movement

April 26, 2017 - Sharp-tailed grouse (Tympanuchus phasianellus), Valentine National Wildlife Refuge, Nebraska. Dancing before the sun com...
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Road ecology blog: Wildlife warning signs for woodland caribou

March 14, 2017 - Click here for other images of other wildlife or livestock warning signs. Click here for other images of animals that w...
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Road ecology blog: Animal detection system, Hwy 95, near Bonners Ferry, Idaho, USA

February 21, 2017 - Road ecology blog: Animal detection system, Hwy 95, near Bonners Ferry, Idaho, USA As drivers approach they are first p...
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Road ecology blog: Activated warning sign associated with an animal detection system

February 20, 2017 - Road ecology blog: Activated warning sign associated with an animal detection system, Hwy 95, near Bonners Ferry, Idaho,...
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Road ecology blog: Wildlife warning sign for raccoons, Sian Ka'an, Yucatan, Mexico

January 05, 2017 - Road ecology blog: Wildlife warning sign for raccoon (Procyon lotor), Sian Ka'an, Yucatan, Mexico. Click here for oth...
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Road ecology blog: Maximum speed limit because of wildlife crossing, Mexico

January 04, 2017 - Road ecology blog: Maximum speed limit sign 40 km per h because of wildlife crossing the road, Sian Ka'an, Yucatan, Mexi...
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Road ecology blog: Wildlife warning signs, Bloemendaal aan Zee, The Netherlands

December 05, 2016 - Image below: Wildlife warning sign, we cross unexpectedly, Bloemendaal aan Zee, The Netherlands Image below: Wildlife...
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Road ecology blog: Bighorn sheep (Ovis canadensis) crossing highway at a fence end

November 08, 2016 - Road ecology blog: Bighorn sheep (Ovis canadensis) crossing highway at a fence end, Hwy 3, Crowsnest Pass, Alberta, Cana...
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Rocky Mountain wildlife: Bighorn sheep (Ovis canadensis), Crowsnest Pass, Alberta, Canada

October 25, 2016 - Rocky Mountain wildlife: Bighorn sheep (Ovis canadensis), Crowsnest Pass, Alberta, Canada. Click here for other ima...
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Road ecology blog: Bighorn sheep (Ovis canadensis) on and along highway, Alberta, Canada

October 24, 2016 - Road ecology blog: Bighorn sheep (Ovis canadensis) on and along highway at a fence end, Hwy 3, Crowsnest Pass, Alberta,...
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Road ecology blog: Wildlife warning sign, Montana, USA

October 20, 2016 - Road ecology blog: Wildlife warning sign, Montana, USA. Wildlife warning signs do not result in fewer wildlife-vehicle c...
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Crossing a stream, Pantanal, Mato Grosso do Sul, Brazil

July 25, 2016 - Crossing a stream on a dirt road, Mitsubishi 4x4, L200 Triton Savana, on wildlife expedition to the Pantanal, Mato Gross...
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Flooded dirt road, Mitsubishi 4x4, L200 Triton Savana, Pantanal, Mato Grosso do Sul, Brazil

July 24, 2016 - Flooded dirt road, Mitsubishi 4x4, L200 Triton Savana, on wildlife expedition to the Pantanal, Mato Grosso do Sul, Brazi...
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Mitsubishi 4x4, L200 Triton Savana, Pantanal, Mato Grosso do Sul, Brazil.

July 23, 2016 - Mitsubishi 4x4, L200 Triton Savana, Pantanal, Mato Grosso do Sul, Brazil. Click here for other images of the Pantanal...
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Our camp in the Pantanal, Mato Grosso do Sul, Brazil

July 21, 2016 - Our camp in the Pantanal, Mato Grosso do Sul, Brazil Foreground: Solar panels to power camera batteries, flashlights an...
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Road ecology blog: Speed bump to reduce collisions with wildlife, Argentina

January 22, 2016 - Road ecology blog: Speed bump to reduce collisions with wildlife, Puerto Iguazú, Parque Nacional Iguazú, Misiones, Argen...
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Road ecology blog: Speed reduction zone for wildlife, Misiones, Argentina

January 11, 2016 - Speed reduction zone for wildlife, Puerto Iguazú, near Parque Nacional Iguazú, Misiones, Argentina. The posted maximum s...
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Road ecology blog: Low design speed and low speed limit along road through a State Park

December 27, 2015 - Road ecology blog: Low design speed and low speed limit along road through a State Park Click here for additional infor...
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Looking for wildlife at night with a spot light, Parque Nacional das Emas, Goiás, Brazil

December 14, 2015 - Looking for wildlife at night with a spot light, Parque Nacional das Emas, Goiás, Brazil. Click here for more images of...
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Road ecology blog: Wildlife warning sign, Reduce speed, wild animal crossing area ahead

December 09, 2015 - Road ecology blog: Wildlife warning sign, BR-364, Minas Gerais, Brazil. Reduce speed, wild animal crossing area ahead C...
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Road ecology blog: Wildlife warning signs, near Resende, Rio de Janeiro, Brazil

November 20, 2015 - Road ecology blog: This road was recently upgraded from an unpaved road to a paved road. The road goes through a protect...
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Road ecology: Speed bump on road through nature reserve, Rio Grande do Sul, Brazil

April 06, 2015 - Road ecology: Speed bump intended to reduce vehicle speed on a road through a nature reserve, Parque Nacional de Aparado...
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Follow that car!

April 03, 2015 - Following another car on a dirt road at night, Rio Grande do Sul, Brazil. The yellows are from the headlights seen throu...
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Road ecology blog: Speed reduction, radar, rumble strips, wildlife warning signs, Brazil

March 25, 2015 - Highway RS-486 bisects a forest remnant (Reserva Biológica Mata Paludosa), Rio Grande do Sul, Brazil. The posted speed l...
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Road ecology blog: Wildlife warning sign and road-killed capybara, Brazil

August 25, 2014 - Road ecology blog: Wildlife warning sign and road-killed capybara (Hydrochoerus hydrochaeris), Piracicaba, São Paulo, Br...
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Road ecology blog: Wildlife warning sign, variable message sign, Montana. USA

July 28, 2014 - Road ecology blog: Wildlife warning sign, variable message sign, wildlife on roadway, reduce speed 55 MPH, next 12 to 15...
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Road ecology blog: bicycle path, no mopeds allowed, Soest, The Netherlands

May 13, 2014 - Road ecology blog: Sign, bicycle path, horseback riding not permitted on bicycle path, no mopeds allowed, Soest, The Net...
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Road ecology blog: Advisory speed limit reduction through nature reserve, The Netherlands

May 05, 2014 - Road ecology blog: Advisory speed limit reduction to 40 km per hour on road through a nature reserve, The Netherlands....
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Road ecology blog. Voluntary road closure at night for common toads, The Netherlands

April 07, 2014 - Road ecology blog. Wildlife warning sign, Voluntary road closure at night between 5 and 11 pm during spring migration of...
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Road Ecology blog: Seasonal barriers and pittfalls for common toads, The Netherlands

April 02, 2014 - Seasonal amphibian barriers for common toads (Bufo bufo), Soest, The Netherlands. Note that there are pitfalls (buckets)...
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Road Ecology blog: Seasonal warning sign for common toad, The Netherlands

April 01, 2014 - Road Ecology blog: Wildlife warning sign, Seasonal warning sign for common toads (Bufo bufo) during spring migration, So...
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Road ecology blog: Wider striping and narrower lanes to reduce traffic speed

March 31, 2014 - Image below: Wider striping and narrower lanes to reduce traffic speed an increase safety, N310, Arnhemseweg, near Otter...
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European wildlife: Muskox charging another male like a cannonball, Norway

March 27, 2014 - European wildlife: Cannonball: Muskox (Ovibos moschatus) charging another male like a cannonball, Dovrefjell National Pa...
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Road ecology blog: Weight and speed limit signs at multifunctional overpass, Austria

January 27, 2014 - Road ecology blog: Weight and speed limit signs at multifunctional overpass (wildlife, bicyclists, pedestrians; about 10...
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Road ecology blog: Electric wildlife fence, S.R. 260 east of Payson, Arizona, USA

July 15, 2013 - Road ecology blog: Electric fence associated with an animal detection and driver warning system at a fence end, S.R. 260...
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Road ecology blog: The detection zone of an animal detection system, Arizona, USA

July 09, 2013 - Road ecology blog: The detection zone or crossing areas associated with an animal detection and driver warning system at...
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Road ecology blog: Animal detection and driver warning system, east of Payson, Arizona, USA

July 08, 2013 - Road ecology blog: Animal detection and driver warning system at a fence end, S.R. 260 east of Payson, Arizona, USA. War...
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Road ecology blog: Electric mat associated at fence end, east of Payson, Arizona, USA

July 05, 2013 - Electric mat (CrossTek™, formerly Electrobraid ™) associated with an animal detection and driver warning system at a fen...
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Road ecology blog: Nene (Branta sandvicensis) warning sign, Hawaii, USA

June 12, 2013 - Road ecology blog: Nene (Branta sandvicensis) warning sign and advisory speed limit 15 MPH, Hawaii Volcanoes National Pa...
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Road ecology blog: Wildlife warning sign, Jilin Province, China

January 10, 2013 - Wildlife warning sign, Watch out for animals, reduce speed, don't blow your horn, Ring Changbai Scenic Highway, Jilin Pr...
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Abstracts: waves of the Lochsa River, Idaho, USA

May 29, 2012 - The Lochsa River is designated as a National Wild and Scenic River and is located in northern Idaho. The river has no da...
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Road ecology blog: wildlife warning signs for woodland caribou

May 22, 2012 - Woodland caribou (Rangifer tarandus caribou) are all but gone from the lower 48 states in the USA. There is only one nat...
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