Lower Rio Grande Valley National Wildlife Refuge
The Lower Rio Grande Valley National Wildlife Refuge is a 90,788-acre (367.41 km2) non-contiguous National Wildlife Refuge located in the Lower Rio Grande Valley region of southern Texas. It is along the northern banks and reaches of the Lower Rio Grande, north of the Mexico—United States international border.
Source: Wikipedia — Lower Rio Grande Valley National Wildlife Refuge (CC BY-SA 4.0)