Species of Greatest Conservation Need
1124 species
| Scientifc Name | Common Name | Taxonomic Group | Federal Status | State Status | Global Rank | State Rank | Endemic |
|---|---|---|---|---|---|---|---|
| Tryonia brunei | Brune's tryonia | Invertebrates | Not Listed | Not Listed | G1 | S1 | Yes |
| Tryonia cheatumi | Phantom tryonia | Invertebrates | E 08/08/2013 |
E 03/23/2015 |
G1 | S1 | Yes |
| Tryonia circumstriata | Gonzales tryonia | Invertebrates | E 08/08/2013 |
E 03/23/2015 |
G1 | S1 | Yes |
| Tryonia metcalfi | Metcalf's tryonia | Invertebrates | Not Listed | T 03/27/2020 |
G1 | SNR | Yes |
| Tryonia oasiensis | Carolinae tryonia | Invertebrates | Not Listed | T 03/27/2020 |
G1 | SNR | Yes |
| Tyrannochthonius troglodytes | No accepted common name | Invertebrates | Not Listed | Not Listed | G1G2 | S1 | Yes |
| Uniomerus declivis | tapered pondhorn | Invertebrates | Not Listed | Not Listed | G5 | SNR | No |
| Vaejovis chisos | No accepted common name | Invertebrates | Not Listed | Not Listed | GNR | S3 | Yes |
| Xiphocentron messapus | No accepted common name | Invertebrates | Not Listed | Not Listed | G1G3 | S2? | Yes |
| Antilocapra americana | pronghorn | Mammals | Not Listed | Not Listed | G5 | S3 | No |
| Bison bison | bison | Mammals | Not Listed | Not Listed | G4 | SH | No |
| Blarina hylophaga hylophaga | Elliot's short-tailed shrew | Mammals | Not Listed | Not Listed | G5T1Q | S1 | No |
| Blarina hylophaga plumbea | Aransas short-tailed shrew | Mammals | Not Listed | Not Listed | G5T1Q | S1 | Yes |
| Corynorhinus rafinesquii | Rafinesque's big-eared bat | Mammals | Not Listed | T 07/18/1977 |
G3G4 | S2 | No |
| Corynorhinus townsendii | Townsend's big-eared bat | Mammals | Not Listed | Not Listed | G4 | S3? | No |
| Corynorhinus townsendii pallescens | pale Townsend's big-eared bat | Mammals | Not Listed | Not Listed | G4T3T4 | S3? | No |
| Cynomys ludovicianus | black-tailed prairie dog | Mammals | Not Listed | Not Listed | G4 | S3 | No |
| Dipodomys compactus compactus | Padre Island kangaroo rat | Mammals | Not Listed | Not Listed | G4T3 | S3 | Yes |
| Dipodomys elator | Texas kangaroo rat | Mammals | PE 08/17/2023 |
T 07/18/1977 |
G2 | S1 | No |
| Euderma maculatum | spotted bat | Mammals | Not Listed | T 07/18/1977 |
G4 | S3 | No |
| Eumops perotis | western mastiff bat | Mammals | Not Listed | Not Listed | G4G5 | S3 | No |
| Eumops perotis californicus | greater western mastiff bat | Mammals | Not Listed | Not Listed | G4G5T4 | S3 | No |
| Geomys arenarius | desert pocket gopher | Mammals | Not Listed | Not Listed | G3G4 | S2 | No |
| Geomys knoxjonesi | Jones's pocket gopher | Mammals | Not Listed | Not Listed | G3Q | S2 | No |
| Geomys personatus davisi | Davis pocket gopher | Mammals | Not Listed | Not Listed | G4T2 | S2 | Yes |