ALBUQUERQUE, N.M. (AP) — Wildlife groups fear a proposed river crossing for a $2 billion power line project that will funnel wind and solar energy from rural spots in New Mexico and Arizona to larger markets could be a death trap for migratory birds.

The Albuquerque Journal reports the project plans to place high-voltage power lines and towers near three wildlife refuges that provide a seasonal roosting-and-foraging bridge for migrating birds.

The Bureau of Land Management and the U.S. Fish and Wildlife Service have already approved a small stretch of the project that would cross the Rio Grand...