The Nature Center has set aside ten acres of Rio Grande river bottoms for the White collared seedeater. This area is designated as Site # Two on the Texas Wildlife Trails Map—Rio Bravo Loop. Public access to bird watch along the Rio Grande is through the Main Street gate of the Border Fence that gives entry to Shelby Park. Go to the river then take the dirt road north to the rivercane breaks. Osprey, American pelican, Green jay, Grooved-bill ani, and Great Kiskadee are common.

The Nature Center has prepared a Birding Map of Maverick County with a birding list and a dozen locations open to the public around the county. This is available at many of the motels and at the Chamber of Commerce.

October is Monarch Month in Maverick County—the “neck” of the funnel for the Monarch Butterfly Central Flyway, which begins in Central Canada and the Great Lakes Region. The Fall of 2009, the Nature Center will feature a city map with known roosting sites accessible to the public for a driving tour. The migration usually arrives around October 12 and persists until the first week in November.

Eagle Pass sits on the cusp between the Tamaulipan, the Chihuahua Desert, and the Texas Hill Country Biospheres. With the conservation of the Rio Grande a priority, the Nature Center features a week-long day camp for youth during the first week in August. Participants compare and contrast the three biospheres with a focus on river ecology.

The Center’s six canoes are available for guided groups of between fifteen and twenty people for half-day trips. There is a small fee for this activity and all participants must be able to swim. No children under seven.