Biologists are worried that a border wall would cut off dozens of species that migrate between Mexico and the United States. Penn State University biologist Jesse Lasky said existing boundaries between the two countries already disrupt migration of species like deer, mountain lions, jaguars and ocelots. “New barriers would increase the number of species at risk,” concluded a 2011 study he led that was published in the journal Diversity and Distributions. Another article published in May in Outside magazine used U.S. Fish and Wildlife Service data to conclude that more than 100 species along the border listed as threatened or endangered under the Endangered Species Act or are candidates for the list would be impacted by the extensive border wall.
Read more in the Washington Post.