Yes, there is a PDF on our Additional Information page that can be downloaded. A similar checklist with useful annotations is available from the Texas Parks & Wildlife Department website.
Annotated checklists for the Lower Rio Grande Valley Birds, Butterflies, Odonates, Herps, and Mammals are available from alamoinn@gmail.com There are fold-out laminated cards available to help with identifying birds, butterflies, herps, tracks, flowers and other natural history from bookstores and also available by mail from Alamo Inn B&B, Gear & Tours at alamoinn@gmail.com.