I remember reading an article about the effect of highways creating a virtual perimeter that the genetic diversity of the wildlife within it degraded to such a

I remember reading an article about the effect of highways creating a virtual perimeter that the genetic diversity of the wildlife within it degraded to such a low variation over generations and as a result those animals were exhibiting negative defects. Here’s an example where we’re finally thinking about undoing some of the harm: https://www.smithsonianmag.com/smart-news/animals-are-using-utahs-largest-wildlife-overpass-earlier-expected-180976420/ https://www.smithsonianmag.com/smart-news/animals-are-using-... I believe in some European countries they do these more frequently.