>>4598336 (LB)
>environmentalists prefer a steel slat barrier because the birds and bugs can fly right through it.
Duh - but more importantly, what about migratory herds of animals? According to the Arizona-Sonora Desert Museum, the wall will have ZERO habitat consequences, since all land species are localized and DO NOT MIGRATE. ThanQ for making me look this up - I had been snuffling this issue in the back of my mind for quite some time.
https://blog.desertmuseum.org/2016/12/23/animal-migration-in-the-sonoran-desert-region/