What does all this mean? Are wildlife crossing structures useless? NO! If they were, then we wouldn’t have literally 100s of examples of wildlife happily crossing them. But we’re obviously not doing enough to mitigate the barrier effect. 11/n

So, as always, we need more research, on more species, from more places! Especially🐸🪲🐦🦎 Not just observing wildlife using structures, but comparing this movement to appropriate benchmark comparators (before data, control sites, or both!) 13/n