description South Texas Plains Overview
The South Texas Plains is an ecological region located in the southernmost part of Texas, extending to the border of the Rio Grande. It is characterized by a semi-arid climate and dominated by Tamaulipan thorn scrub, which consists of dense, drought-resistant brush and shrubs. This environment supports significant biodiversity, including numerous bird species and specialized wildlife adapted to the harsh conditions. The region is also utilized for cattle ranching.
help South Texas Plains FAQ
Where is the South Texas Plains region?
The South Texas Plains occupy the southern part of Texas, extending toward the Rio Grande and the Lower Rio Grande Valley. The region lies east of the Rio Grande and south of the Balcones Escarpment. [Texas Parks and Wildlife Department](https://tpwd.texas.gov/wildlife/wildlife-diversity/wildscapes/wildscapes-plant-guidance-by-ecoregion/south-texas-brush-country/)
What vegetation defines the South Texas Plains?
The region is dominated by Tamaulipan thornscrub, mesquite, acacia, prickly pear, and other drought-tolerant brush. That dense, thorny plant community is why the area is also called the South Texas Brush Country. [Texas Parks and Wildlife Department](https://tpwd.texas.gov/education/resources/texas-junior-naturalists/regions/south-texas-plains)
What is the climate like in the South Texas Plains?
The region is warm and drought-prone, with high summer evaporation and rainfall that generally increases from west to east. Texas Parks and Wildlife gives a regional average of about 20 to 32 inches of rain per year. [Texas Parks and Wildlife Department](https://tpwd.texas.gov/education/resources/texas-junior-naturalists/regions/south-texas-plains)
What wildlife can be found in the South Texas Plains?
The brush country supports species such as crested caracaras, chachalacas, Texas tortoises, indigo snakes, ocelots, and white-nosed coatis. The Rio Grande Valley is also described as the only subtropical area in Texas. [Texas Parks and Wildlife Department](https://tpwd.texas.gov/education/resources/texas-junior-naturalists/regions/south-texas-plains)
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