Aplomado falcons soar and Kemp’s Ridley sea turtles nest here where the Rio Grande spills into the Gulf of Mexico. The 10,680-acre Boca Chica tract is a coastal environment interspersed with miles of beach front, saline flats, mangrove marshes, shallow bays and unique dunes of wind-blown clay known as ‘lomas.’ 
 

La Sal del Rey, or “the King’s Salt,” is one of three naturally occurring salt lakes that sit atop a four million ton salt dome found in South Texas.  This salt deposit has played an important role in the area's history and is today recognized as a 'Site of International Significance' for migrating shorebirds.

A thriving steamboat port of the past, today’s city of Roma is a birdwatcher’s paradise!  The northernmost range of many birds and butterflies seems to end at the river's edge.  Here you will find red-billed pigeons, brown jays and many other unique species you cannot find elsewhere in the United States.