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Road ecology blog: A kilometer post, Nuevo Xcan-Playa Del Carmen highway, Mexico

January 13, 2017 - Road ecology blog: A kilometer post, Nuevo Xcan-Playa Del Carmen highway, Quintana Roo, Mexico Click here for more im...
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Road ecology blog: Canopy crossings for arboreal mammals, Mexico

January 11, 2017 - Road ecology blog: Canopy crossings for arboreal mammals, Nuevo Xcan-Playa Del Carmen highway, Quintana Roo, Mexico. The...
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Road ecology blog: Wildlife fence along Nuevo Xcan-Playa Del Carmen highway, Mexico

January 10, 2017 - Road ecology blog: Wildlife fence along Nuevo Xcan-Playa Del Carmen highway, Quintana Roo, Mexico. The previous road ec...
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Road ecology blog: Wildlife underpasses, Nuevo Xcan-Playa Del Carmen highway, Mexico

January 09, 2017 - Road ecology blog: Wildlife underpasses, Nuevo Xcan-Playa Del Carmen highway, Quintana Roo, Mexico This relatively new...
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Researchers at work: Marcel Huijser checks out wildlife underpass, Mexico

January 06, 2017 - Researchers at work: Marcel Huijser checks out a wildlife underpass, Nuevo Xcan-Playa Del Carmen highway, Quintana Roo,...
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Road ecology blog: Warning sign for strong winds, near Cowley, Alberta, Canada

November 29, 2016 - Road ecology blog: Warning sign for strong winds, near Cowley, Alberta, Canada Image below: Wind turbines, near Pinch...
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Road ecology blog: Silhouetted warning sign for elk, British Columbia, Canada

November 23, 2016 - Road ecology blog: Silhouetted warning sign for elk (Cervus canadensis), British Columbia, Canada. Click here for oth...
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Road ecology blog: Warning sign for flying deer, British Columbia, Canada

November 22, 2016 - Road ecology blog: Warning sign for flying deer (Odocoileus spp.), near Fernie, British Columbia, Canada. Note: someone...
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Road ecology blog: Mitigation measures for long-toed salamander, Waterton, Alberta, Canada

November 21, 2016 - Road ecology blog: Mitigation measures for long-toed salamander (Ambystoma macrodactylum), Waterton Lakes National Park,...
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Road ecology blog: Wildlife warning signs for bighorn sheep (Ovis canadensis), Montana, USA

November 19, 2016 - Road ecology blog: Wildlife warning signs for bighorn sheep (Ovis canadensis), Montana, USA. Click here for other ima...
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Road ecology blog: Animal detection systems, Canada

November 16, 2016 - Road ecology blog: Animal detection systems, near Elko and Sparwood, British Columbia, Canada. Image below: Activated w...
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Road ecology blog: Warning sign for bighorn sheep, near Elko, British Columbia, Canada

November 10, 2016 - Road ecology blog: Warning sign for bighorn sheep (Ovis canadensis), near Elko, British Columbia, Canada. Image below...
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Road ecology blog: Warning signs for bears, Waterton Lakes National Park, Alberta, Canada

November 04, 2016 - Road ecology blog: Warning signs for bears (black and grizzly, Ursus spp.), Waterton Lakes National Park, Alberta, Canad...
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Road ecology blog: Mitigation for bighorn sheep, near Thompson Falls, Montana, USA

October 27, 2016 - Road ecology blog: Mitigation measures for bighorn sheep, near Thompson Falls, Montana, USA. This section of Hwy 200 nee...
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Multifunctional overpass for wildlife and people, Crailoo, The Netherlands

September 08, 2016 - Multifunctional overpass for wildlife and people, Natuurbrug Zanderij Crailoo, The Netherlands. There is a bridge across...
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Road ecology blog: Low design speed, narrow and curvy road, Rio de Janeiro, Brazil

December 11, 2015 - Road ecology blog: Low design speed, narrow and curvy road, "park road" (estrada-parque) Capelinha-Mauá (RJ-163), near R...
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Road ecology blog: Feral domestic dog on road, near Resende, Rio de Janeiro, Brazil

December 10, 2015 - Road ecology blog: Feral domestic dog on road, "park road" (estrada-parque) Capelinha-Mauá (RJ-163), near Resende, Rio d...
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Road ecology blog: Road signs along "park road" RJ-163, near Resende, Rio de Janeiro, Brazil

December 02, 2015 - Images below: Sign, preserve our fauna and flora, "park road" (estrada-parque) Capelinha-Mauá (RJ-163), near Resende, Ri...
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Road ecology blog: Suggestions for improving canopy crossings, Rio de Janeiro, Brazil

December 01, 2015 - Road ecology blog: Suggestions for improving canopy crossings for arboreal mammals, "park road" (estrada-parque) Capelin...
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Road ecology blog: Retaining wall at land slide site, Rio de Janeiro, Brazil

November 30, 2015 - Road ecology blog: Retaining wall at a site where land slides used to occur, -park road- (estrada-parque) Capelinha-Mauá...
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Road ecology blog: Canopy crossings for arboreal mammals (RJ-163) Rio de Janeiro, Brazil

November 27, 2015 - Road ecology blog: Canopy crossings for arboreal mammals, "park road" (estrada-parque) Capelinha-Mauá (RJ-163), near Res...
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Brazilian landscapes: Atlantic forest, near Resende, Rio de Janeiro, Brazil

November 25, 2015 - Brazilian landscapes: Atlantic forest (Mata Atlântica) along "park road" (estrada-parque) Capelinha-Mauá (RJ-163), near...
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Road ecology blog: wildlife fencing and wet and dry culverts, Rio de Janeiro, Brazil

November 24, 2015 - Road ecology blog: wildlife fencing and wet and dry culverts, Culvert under -park road- (estrada-parque) Capelinha-Mauá...
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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 blog: River erodes river bank and adjacent dirt road

June 08, 2015 - Road ecology blog: The North Fork of the Flathead river erodes river bank and adjacent dirt road (Inside North Fork Road...
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Road ecology blog: Wildlife fence, near Freeport, Florida, USA

May 25, 2015 - Road ecology blog: Wildlife fence (smaller mesh size towards bottom), Hwy 331, Hwy 83 near Freeport, Florida, USA Click...
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Road ecology blog: Construction for highway widening (4 lanes to 2 lanes), Florida, USA

May 24, 2015 - Road ecology blog: Construction for highway widening (4 lanes to 2 lanes), Hwy 331, Hwy 83 near Freeport, Florida, USA....
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Road ecology blog: Double yellow, Florida, USA

May 23, 2015 - Road ecology blog: Double yellow stripes in center of highway on pavement, Hwy 331, Hwy 83 near Freeport, Florida, USA...
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Road ecology blog: Hydro-seeding to reduce erosion, Florida, USA

May 20, 2015 - Road ecology blog: Hydro-seeding to reduce erosion associated with highway widening, Hwy 331, Hwy 83 near Freeport, Flor...
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Road ecology blog: Easy access and maintenance of wildlife fence, Florida, USA

May 19, 2015 - Road ecology blog: Gap between right-of-way fence and wildlife fence to allow for easy access and maintenance in right-o...
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Road ecology blog: Riprap at wildlife fence to reduce erosion, Florida, USA

May 18, 2015 - Road ecology blog: Riprap at wildlife fence to reduce erosion at wildlife underpass, Hwy 331, Hwy 83 near Freeport, Flor...
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Road ecology blog: Sign, posted, no trespassing, at wildlife underpass, Florida, USA

May 18, 2015 - Road ecology blog: Sign, posted, no trespassing, at entrance and exit of wildlife underpass, Hwy 331, Hwy 83 near Freepo...
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Road ecology blog: Wildlife fence and underpass, Hwy 331, Hwy 83 near Freeport, Florida, USA

May 14, 2015 - Wildlife fence (smaller mesh size towards bottom) funnels wildlife towards wildlife underpass, Hwy 331, Hwy 83 near Free...
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Road ecology blog: Wildlife fence, Hwy 331, Hwy 83 near Freeport, Florida, USA

May 13, 2015 - Road ecology blog: Wildlife fence (smaller mesh size towards bottom), Hwy 331, Hwy 83 near Freeport, Florida, USA Click...
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Road ecology blog: Wildlife fence funnels wildlife towards wildlife underpass, Florida

May 12, 2015 - Road ecology blog: Wildlife fence (smaller mesh size towards bottom) funnels wildlife towards wildlife underpass, Hwy 33...
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Road ecology blog: Erosion control at stream for highway widening project, Florida, USA

May 11, 2015 - Road ecology blog: Erosion control at stream at construction of new bridge in association with highway widening (4 lanes...
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Road ecology blog: Construction for highway widening, near Freeport, Florida, USA

May 11, 2015 - Road ecology blog: Construction for highway widening (4 lanes to 2 lanes), Hwy 331, Hwy 83 near Freeport, Florida, USA....
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Road ecology blog: Drainage culvert with riprap to reduce erosion, Florida, USA

May 09, 2015 - Road ecology blog: Drainage culvert with riprap to reduce erosion, Hwy 331, Hwy 83 near Freeport, Florida, USA. Click h...
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Road ecology blog: Multifunctional underpass (for water and wildlife), Florida, USA

May 08, 2015 - Road ecology blog: Multifunctional underpass (for water and wildlife), Hwy 331/83 near Freeport, Florida, USA. Note the...
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Road ecology blog: Multifunctional underpass, Hwy 331/83 near Freeport, Florida, USA

May 07, 2015 - Road ecology blog: Multifunctional underpass (about 56 m wide for water and wildlife), Hwy 331/83 near Freeport, Florida...
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Road ecology blog: Black-pencilled marmosets look for traffic and cross at grade

February 12, 2015 - Road ecology blog: Black-pencilled marmosets (Callithrix penicillata) looking for traffic before crossing at grade, righ...
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Road ecology blog: Black-pencilled marmosets use canopy crossing

February 12, 2015 - Road ecology blog: Black-pencilled marmosets (Callithrix penicillata) use canopy crossing, ESALQ campus, Piracicaba, São...
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Road ecology blog: Driving in São Paulo and how to communicate with other drivers, Brazil

August 26, 2014 - Road ecology blog: Driving in São Paulo and how to communicate with other drivers Some large format prints (limited edi...
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Road ecology blog: Bison cow and calf crossing road, Yellowstone, Wyoming, USA

June 06, 2014 - Road ecology blog: Bison cow and calf (Bison bison) crossing road, Yellowstone National Park, Wyoming, USA. Click here...
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Road ecology blog: Bridge across Merced River and floodplains, California, USA

May 12, 2014 - Road ecology blog: Bridge across Merced River and floodplains, Hwy 49, at Old Bagby, Lake McClure Recreation Area, Calif...
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Road ecology blog: Challenging winter driving conditions, Hwy 27, Norway

March 19, 2014 - Road ecology blog: Challenging winter driving conditions, Hwy 27, South of Rondane National Park, Norway. Click here fo...
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Road Ecology blog: Warning sign for falling ice from wind turbines, near Parndorf, Austria

February 12, 2014 - Road Ecology blog: Warning sign for falling ice from wind turbines, near Parndorf, Austria. For other images of roadsid...
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Road ecology blog: Multifunctional underpass, A4 motorway, Parndorf, Austria

February 01, 2014 - Road ecology blog: Multifunctional underpass (about 45 m wide), under A4 motorway, Parndorf, Austria. Click here for im...
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Road ecology blog: Wildlife fence connects tightly to underpass, Parndorf, Austria

January 31, 2014 - Road Ecology blog: Wildlife fence connects tightly to multifunctional underpass (wildlife and farm road, about 36 m wide...
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Road Ecology blog: Low volume road at multifunctional underpass, Parndorf, Austria

January 30, 2014 - Road Ecology blog: Low volume road at multifunctional underpass (wildlife and farm road, about 36 m wide), under A4 moto...
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Road Ecology blog: Multifunctional overpass with traffic underneath, Austria.

January 29, 2014 - Multifunctional overpass (wildlife and farm road, about 100 m wide), across A4 motorway, Parndorf, Austria. The overpass...
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Road Ecology blog: Edge habitat on top of multifunctional overpass, Parndorf, Austria

January 28, 2014 - Road Ecology blog: Edge habitat on top of multifunctional overpass (wildlife and farm road, about 100 m wide), across A4...
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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: Salt block for wildlife on top of multifunctional overpass, Austria

January 26, 2014 - Road ecology blog: Salt block for wildlife on top of multifunctional overpass (wildlife and farm road, about 100 m wide)...
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Road ecology blog: Drainage pipe does not extend under the wildlife fence, Austria

January 25, 2014 - Road ecology blog: Drainage pipe does not extend under the wildlife fence under A4 motorway, Parndorf, Austria. If this...
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Road ecology blog: Multifunctional overpass, across A4 motorway, Parndorf, Austria

January 23, 2014 - Road ecology blog: Multifunctional overpass (wildlife, bicyclists, pedestrians; about 100 m wide), across A4 motorway, P...
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Road ecology blog: Hunting platfom right adjacent to multifunctional overpass, Austria

January 22, 2014 - Road ecology blog: Hunting platfom right adjacent to multifunctional overpass (wildlife and farm road, about 100 m wide)...
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Road ecology blog: Multifunctional overpass, Parndorf, Austria

January 21, 2014 - Multifunctional overpass (wildlife, bicyclists, pedestrians; about 100 m wide), across A4 motorway, Parndorf, Austria....
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Road ecology blog: Low volume road on top of multifunctional overpass, Parndorf, Austria

January 20, 2014 - Road ecology blog: Low volume road and cover on top of multifunctional overpass (wildlife, bicyclists, pedestrians; abou...
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Road ecology blog: multifunctional overpass, 100 m wide, Parndorf, Austria

January 19, 2014 - Road ecology blog: multifunctional overpass (wildlife, bicyclists, pedestrians; about 100 m wide), across A4 motorway, P...
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Road ecology blog: View from top of multifunctional overpass, Parndorf, Austria

January 18, 2014 - Road ecology blog: View from top of multifunctional overpass (wildlife, bicyclists, pedestrians; about 100 m wide), acro...
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Road ecology blog: Cover and food for wildlife on overpass, Parndorf, Austria

January 17, 2014 - Road ecology blog: Cover and food for wildlife (rose hips) on top of multifunctional overpass (wildlife, bicyclists, ped...
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Road ecology blog: Multifunctional overpass (about 100 m wide), Parndorf, Austria

January 16, 2014 - Road ecology blog: multifunctional overpass (wildlife, bicyclists, pedestrians; about 100 m wide), across A4 motorway, P...
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Road ecology blog: Wildlife fence, A4 motorway, Parndorf, Austria

January 15, 2014 - Road ecology blog: Wildlife fence and gate at multifunctional underpass, under A4 motorway, Parndorf, Austria. Click he...
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Road ecology blog: Wildlife fence and gate, near Parndorf, Austria

December 23, 2013 - Road ecology blog: Wildlife fence and gate at multifunctional underpass, under A4 motorway, Parndorf, Austria. To open...
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Outdoor recreation: Bicycle and horse trail route at multifunctional overpass, Austria

December 22, 2013 - Outdoor recreation: Bicycle and horse back riding route at multifunctional overpass (wildlife, bicyclists, pedestrians;...
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Road ecology blog: Cover on top of multifunctional overpass, Parndorf, Austria

December 21, 2013 - Road ecology blog: Cover on top of multifunctional overpass (farm road and wildlife, about 100 m wide), across A4 motorw...
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Road ecology blog: multifunctional overpass, Parndorf, Austria

December 20, 2013 - Road ecology blog: Approach of multifunctional overpass, across A4 motorway, Parndorf, Austria. Approach of multifuncti...
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Road ecology blog: Light in underpass for roads without median, Austria

December 19, 2013 - Road ecology blog: Grate in the median (lets some light and water into underpass) at multifunctional underpass under A4...
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Road ecology blog: Multifunctional underpass, under A4 motorway, Parndorf, Austria

December 18, 2013 - Road ecology blog: Multifunctional underpass (farm road and wildlife), under A4 motorway, Parndorf, Austria. Click here...
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Road ecology blog: Drainage system at multifunctional underpass, Parndorf, Austria

December 11, 2013 - Road ecology blog: Drainage system for run-off at multifunctional underpass, under A4 motorway, Parndorf, Austria. Run-...
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Road ecology blog: Wildlife fence and gate, Parndorf, Austria

December 09, 2013 - Road ecology blog: Wildlife fence and gate at multifunctional underpass, under A4 motorway, Parndorf, Austria Click her...
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Road ecology blog: Railroad and farm road at multifunctional underpass, Austria

December 07, 2013 - Road ecology blog: Railroad and farm road at multifunctional underpass, under A4 motorway, Parndorf, Austria. Click her...
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Road ecology blog: Berm and cover on multifunctional overpass, Austria

December 05, 2013 - Road ecology blog: Berm and cover on multifunctional overpass, across A4 motorway, Parndorf, Austria. The berm blocks v...
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Road ecology blog: Multifunctional underpass, Parndorf, Austria

November 22, 2013 - Road ecology blog: Multifunctional underpass. Farm road, ditch and bike pedestrian pathway and well as a wildlife crossi...
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Road ecology blog: Grass snake roadkill on low volume road on top of overpass, Austria

October 27, 2013 - Road ecology blog: Grass snake (Natrix natrix) roadkill on low volume road on top of multifunctional overpass (wildlife,...
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Road ecology blog: Green toad roadkill, near Parndorf, Austria.

October 25, 2013 - Road ecology blog: Green toad (Bufo viridis or Pseudepidalea viridis) roadkill, near Parndorf, Austria. Click here for...
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Travel: Loaded truck on highway, between Choyr and Nalayh, Töv Govisümber, Mongolia

May 04, 2013 - Travel: Loaded truck along A0101 paralleling Trans-Mongolian Railway, between Choyr and Nalayh, Töv Govisümber, Mongolia...
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Road ecology blog: Domesticated sheep and goats cross the road, between Choyr and Nalayh, Mongolia

May 04, 2013 - Road ecology blog: Domesticated sheep and goats cross the road along A0101 paralleling Trans-Mongolian Railway, between...
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Travel: Motorcyclist on road, between Choyr and Nalayh, Töv Govisümber, Mongolia

May 03, 2013 - Travel: Motorcyclist along Highway A0101 paralleling Trans-Mongolian Railway, between Choyr and Nalayh, Töv Govisümber,...
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Road ecology blog: Wildlife warning sign for Mongolian gazelles, near Choyr, Mongolia

May 01, 2013 - Road ecology blog: Wildlife warning sign for Mongolian gazelles (Procapra gutturosa) along A0101 paralleling Trans-Mongo...
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Road ecology blog: Gate and fence associated with an underpass, near Havre, Montana, USA

November 16, 2012 - Gate and wildlife fence associated with an underpass, near Havre, Montana, USA. Gates allow for easy human access; for e...
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Road ecology blog: Wildlife fence associated with an underpass, near Havre, Montana, USA

November 15, 2012 - Wildlife fence associated with an underpass, near Havre, Montana, USA Like Marcel Huijser Photography on Facebook: http...
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Road Ecology Blog: wildlife jump-out, near Havre, Montana, USA

November 14, 2012 - This wildlife jump-out or escape ramp is located near Havre, Montana, USA. It allows animals that are trapped in the fen...
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Road Ecology Blog: Wildlife underpass, fencing and jump-outs, near Havre, Montana, USA

November 13, 2012 - Wildlife underpass, fencing and jump-outs, near Havre, Montana, USA. Click here for more images of the wildlife underpas...
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Road ecology blog: Mule deer (Odocoileus hemionus) roadkill, Montana, USA

October 26, 2012 - Mule deer (Odocoileus hemionus) roadkill, Montana, USA. Click here for other images of the dead mule deer. Like Marcel...
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Road ecology blog: Great horned owl (Bubo virginianus) roadkill, Montana, USA

October 24, 2012 - Great horned owl (Bubo virginianus) roadkill, Montana, USA. Click here for other images of the dead great horned owl. L...
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Road ecology blog: Mule deer fawn (Odocoileus hemionus) roadkill, Montana, USA

October 22, 2012 - Mule deer fawn (Odocoileus hemionus) roadkill, Montana, USA. Click here for additional images of the dead mule deer fawn...
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Road ecology blog: Road through Kanawha State Forest, West Virginia, USA

October 19, 2012 - Road through Kanawha State Forest, West Virginia, USA. Like Marcel Huijser Photography on Facebook: http://www.facebook...
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