ACKNOWLEDGEMENTS
We thank Mr. Alan Griffin for giving us access to Los SueƱos Ranch and his home so that we could complete this project. We thank Heatherjo Breckenridge, Maggie and Truett Hunt, for lodging and hospitality at the 505 in Kenedy and Wade Phelps for help and support of our studies of Texas horned lizards in Karnes County. We also thank Rachel Alenius and Dusty Rhoads for helping with project ideas and making the models. Amanda Hale and Charles Watson gave invaluable suggestions and feedback. This project was funded by grants from the Andrews Institute of Mathematics & Science Education at TCU, and grants from the TCU Research and Creative Activities Fund.