If they try they are forced to erect nation wide fences, which destroys wildlife migration.

Tourists also travel to see one of the great wildlife migrations, especially in the park and the refuge, where hunting is forbidden.

Journey North is a global study of wildlife migration.

All but a few of the great North American wildlife migrations are history.

The park is the northern limit for wildlife migrations in the dry season.

This costs taxpayers and wastes electricity; it also affects wildlife migration and disrupts the natural order for nocturnal animals.

The four-lane highway slices the desert into a north and south Red Desert in terms of wildlife migration.

Management priorities include the conservation of important habitats, safeguarding corridors for regional wildlife migration; providing income for rural residents and developing tourism.

Mammals wander from forest to savannah depending on the temperatures - check with the national parks for seasonal wildlife migration.

Environmentalists contend that the development would harm wildlife migration and would only serve to raise the value of a 6,000-acre parcel of private land.