Those wary of moving species instead suggest expanding networks of habitat corridors, allowing species to naturally migrate into newly suitable areas.
Fish migrate naturally, but also move with people as they cast nets for sport, for instance, or move contaminated water on pleasure boats from lake to lake.
However, as pest populations migrate naturally, their natural controls are usually not far behind.
But since chips with relatively short recording times of 10 or 20 seconds can be manufactured quite cheaply, they migrated naturally to novelty items like greeting cards.
Settlement naturally migrated along the area's rivers and streams and the Kish was no exception.
As the population grew and started to reach the maximum for any one territory, they would naturally migrate out of a territory into surrounding ones.
"If Highway 12 was not there, these portions would be able to migrate back naturally," he said.
Rivers naturally migrate and change over time, and Wadi Barjuj was no exception.
Species naturally migrate and expand their ranges, utilising new habitats and resources, e.g. the cattle egret.
The designer bat cave (or "chiroptorium") is set up to attract Mexican free-tails, which naturally migrate into Texas every spring in hordes.