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Santa Ana National Wildlife Refuge


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National Park Contact Information
Santa Ana National Wildlife Refuge
Rt. 2 Box 202A
Alamo, 78516





National Park Overview
Along the banks of the lower Rio Grande is the Santa Ana National Wildlife Refuge - 2,088 acre refuge established in 1943 for the protection of migratory birds. Considered the ?jewel? of the refuge system, this essential ?island? of thorn forest habitat is host or home to nearly 400 different types of birds and a myriad of other species, including the indigo snake, malachite butterfly and the endangered ocelot.

At an ecological crossroad, Santa Ana is strategically located where subtropical climate, gulf coast, great plains and Chihuahuan desert meet. Thousands of birds from the Central and Mississippi flyways funnel through the area on their way to and from Central and South America. This small patch of midvalley riparian woodland is also habitat for about one half of all butterfly species found in the United States.

Before dams and control structures significantly reduced the flow of the Rio Grande, periodic floods cut shifting channels into the delta creating crescent-shaped oxbow lakes, referred to as ?resacas.? Santa Ana?s management program mimics the historical flooding of the Rio Grande, maintaining the bottom land hardwood forest and providing crucial nesting and feeding habitat for birds, watering holes for animals and homes for countless amphibians, reptiles, crustaceans and insects.

With over 95 percent of the original habitat in the lower Rio Grande delta cleared or altered, Santa Ana is a reminder of the semitropical thorn forest that once dominated the area.

Nature of the Area

Trails



More Info

Map of Santa Ana National Wildlife RefugeHidalgo County, Texas The city of Alamo is 8 miles north on FM (farm to market) 907. Santa Anna National Wildlife Refuge in southern Hidalgo County
...n the NABA-South Texas butterfly club
Butterflies of Frontera Audubon Centerby Mike Overton Santa Ana National Wildlife Refuge Butterfly Checklistby Edward Knudson Valley Nature Center
...ta Ana National Wildlife Refuge Sheri Bradley, Brian Heinlein, Maria Pulliam, Debbie Howard, Jimmy Aiken Debbie Howard and Brian Heinlein to field trip photo page ...theast Texas Outside Guide Return To The Guide to Texas Outside Santa Ana National Wildlife Refuge Santa Ana National Wildlife Refuge is a 2,080-acre natural preserve on the banks of the Rio
...porting our mission of Bringing People And Nature Together, Wild Birds Unlimited stores donate a
Santa Ana National Wildlife Refuge McAllen, Texas back $25,000 plus $25,000 in local
...itors come to see the birds and wildlife that inhabit one of the largest remaining pockets of wilderness on the Lower Rio Grande River. Composing of over 2,000 acres of sub-tropical forest, it is
...ta Ana National Wildlife Refuge Location FM 493 & Military Highway -lamo, TX One of the very best butterfly gardens in the Rio Grande Valley. A great place to find a wide variety of
...ormation about the Santa Ana National Wildlife Refuge.
Along the banks of the lower Rio Grande is the Santa Ana National Wildlife Refuge - 2,088 acre refuge established in 1943 for
...dlife, habitat -t the Lower Rio Grande Valley National Wildlife Refuge.
Wildlife Refuge is headquartered at the Santa Ana National Wildlife Refuge Visitor Center. It is located 7 miles south

Santa Ana National Wildlife Refuge