• @[email protected]
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    4 hours ago

    I did not know that there were tunnels underneath as well. Are the tunnels at all of the crossings? I know they are just finishing a new one a bit west of calgary.

  • @[email protected]
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    3411 days ago

    Monitoring also shows that different species have different preferences: grizzly bears, deer, moose, and elk favour the open air of the overpasses, while cougars and black bears prefer the cozy coverage the tunnels provide.

    The crossings also help maintain genetic diversity in wildlife populations, reconnecting the habitat on either side of the highway and allowing the different groups of the same species to interact.

    💪

  • @[email protected]
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    2411 days ago

    Parks Canada has some YouTube videos from trail cameras they installed in order to see what wildlife actually uses these and how quickly they started using them once construction was complete. Pretty neat to watch.

    I’d look up links but I’m on mobile and lazy…

    • @[email protected]
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      1211 days ago

      Sorry to say I’ve been in more states than not, and I’ve never encountered one. To be fair, my kids attend public school in trailers, so, you know, I don’t think the deer are gonna be getting amenities any time soon, but who knows?

      • elmicha
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        811 days ago

        From Wikipedia:

        In the United States, thousands of wildlife crossings have been built in the past 30 years, including culverts, bridges, and overpasses.

        The source article is from 2003.

    • @[email protected]OP
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      611 days ago

      Interesting, as a European I haven’t seen them that much in countries I visited (France, Spain, Italy)

      • Fonzie!
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        1411 days ago

        They’re very common in the Netherlands, at least

            • @[email protected]
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              211 days ago

              Could be worse. Denmark is similarly flat, but has a manmade ski hill…built on top of a trash heap. They’ve got it worse for “goofy attempts at raising their maximum elevation”

              • Fonzie!
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                111 days ago

                The Netherlands sincerely considered building an artificial mountain just so we could have ONE, but discarded it because it wasn’t goedkoop

                Which is the most Dutch fact I knot, closely followed by “you can cycle from the north of Groningen to the south of (Dutch) Limburg in just under a day”

      • @xav
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        411 days ago

        Some parts of France have many of them above “autoroutes”.

    • HubertManne
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      311 days ago

      Im in the US and the county forest preserve system has the opposite for the deer. Tunnels under the roads. People could use them to but they tend to get muddy. I wish it was more like this.

      • @[email protected]
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        310 days ago

        From the case studies I we had to read in Enviro science, the tunnels don’t really work unfortunately

    • @[email protected]
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      310 days ago

      We have a big one here in WA! I do want more of them, though. Makes the highway look prettier, too.

  • @[email protected]
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    1211 days ago

    The article doesn’t state how big the “area” is, but the employ fences along the sides for quite a ways in order to make it hard for animals to just get on the highways, and that while the 80% is overall, it states that deer and elk collisions went all the way down to 96% less.